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2345200440 = 2335115930113
BaseRepresentation
bin1000101111001000…
…1110101100111000
320001102220112012120
42023302032230320
514300332403230
61024413441240
7112054606032
oct21362165470
96042815176
102345200440
11aa3893890
125554a0220
132b4b3ca8b
14183676c52
15dad4e310
hex8bc8eb38

2345200440 has 128 divisors (see below), whose sum is σ = 7805548800. Its totient is φ = 558878720.

The previous prime is 2345200433. The next prime is 2345200447. The reversal of 2345200440 is 440025432.

2345200440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2345200433) and next prime (2345200447).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2345200440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345200447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62824 + ... + 92936.

It is an arithmetic number, because the mean of its divisors is an integer number (60980850).

Almost surely, 22345200440 is an apocalyptic number.

2345200440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2345200440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3902774400).

2345200440 is an abundant number, since it is smaller than the sum of its proper divisors (5460348360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2345200440 is a wasteful number, since it uses less digits than its factorization.

2345200440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30197 (or 30193 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2345200440 is about 48427.2695905933. The cubic root of 2345200440 is about 1328.5971678610.

Adding to 2345200440 its reverse (440025432), we get a palindrome (2785225872).

The spelling of 2345200440 in words is "two billion, three hundred forty-five million, two hundred thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 59 60 66 88 110 118 120 132 165 177 220 236 264 295 330 354 440 472 590 649 660 708 885 1180 1298 1320 1416 1770 1947 2360 2596 3245 3540 3894 5192 6490 7080 7788 9735 12980 15576 19470 25960 30113 38940 60226 77880 90339 120452 150565 180678 240904 301130 331243 361356 451695 602260 662486 722712 903390 993729 1204520 1324972 1656215 1776667 1806780 1987458 2649944 3312430 3553334 3613560 3974916 4968645 5330001 6624860 7106668 7949832 8883335 9937290 10660002 13249720 14213336 17766670 19543337 19874580 21320004 26650005 35533340 39086674 39749160 42640008 53300010 58630011 71066680 78173348 97716685 106600020 117260022 156346696 195433370 213200040 234520044 293150055 390866740 469040088 586300110 781733480 1172600220 2345200440