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345034144 = 25713472521
BaseRepresentation
bin10100100100001…
…100110110100000
3220001020112212101
4110210030312200
51201312043034
654123140144
711356512310
oct2444146640
9801215771
10345034144
11167843294
1297674654
1356637b20
1433b77440
1520457514
hex1490cda0

345034144 has 96 divisors (see below), whose sum is σ = 854171136. Its totient is φ = 133539840.

The previous prime is 345034133. The next prime is 345034153. The reversal of 345034144 is 441430543.

345034144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135604 + ... + 138124.

It is an arithmetic number, because the mean of its divisors is an integer number (8897616).

Almost surely, 2345034144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345034144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427085568).

345034144 is an abundant number, since it is smaller than the sum of its proper divisors (509136992).

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

345034144 is a wasteful number, since it uses less digits than its factorization.

345034144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598 (or 2590 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 345034144 is about 18575.0947238500. The cubic root of 345034144 is about 701.3810449437.

Adding to 345034144 its reverse (441430543), we get a palindrome (786464687).

The spelling of 345034144 in words is "three hundred forty-five million, thirty-four thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 47 52 56 91 94 104 112 182 188 208 224 329 364 376 416 611 658 728 752 1222 1316 1456 1504 2444 2521 2632 2912 4277 4888 5042 5264 8554 9776 10084 10528 17108 17647 19552 20168 32773 34216 35294 40336 65546 68432 70588 80672 118487 131092 136864 141176 229411 236974 262184 282352 458822 473948 524368 564704 829409 917644 947896 1048736 1540331 1658818 1835288 1895792 3080662 3317636 3670576 3791584 6161324 6635272 7341152 10782317 12322648 13270544 21564634 24645296 26541088 43129268 49290592 86258536 172517072 345034144