Search a number
-
+
1243414230 = 2353743109239
BaseRepresentation
bin100101000011100…
…1111111011010110
310012122200222122220
41022013033323112
510021303223410
6323214403210
742545563242
oct11207177326
93178628586
101243414230
11588969573
122a8500506
1316a7b5086
14bb1d1422
1574264070
hex4a1cfed6

1243414230 has 128 divisors (see below), whose sum is σ = 3178137600. Its totient is φ = 310915584.

The previous prime is 1243414229. The next prime is 1243414253. The reversal of 1243414230 is 324143421.

It is a self number, because there is not a number n which added to its sum of digits gives 1243414230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5202451 + ... + 5202689.

It is an arithmetic number, because the mean of its divisors is an integer number (24829200).

Almost surely, 21243414230 is an apocalyptic number.

1243414230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1243414230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589068800).

1243414230 is an abundant number, since it is smaller than the sum of its proper divisors (1934723370).

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

1243414230 is a wasteful number, since it uses less digits than its factorization.

1243414230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1243414230 is about 35262.0792069895. The cubic root of 1243414230 is about 1075.3221979951.

Adding to 1243414230 its reverse (324143421), we get a palindrome (1567557651).

The spelling of 1243414230 in words is "one billion, two hundred forty-three million, four hundred fourteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 43 74 86 109 111 129 185 215 218 222 239 258 327 370 430 478 545 555 645 654 717 1090 1110 1195 1290 1434 1591 1635 2390 3182 3270 3585 4033 4687 4773 7170 7955 8066 8843 9374 9546 10277 12099 14061 15910 17686 20165 20554 23435 23865 24198 26051 26529 28122 30831 40330 44215 46870 47730 51385 52102 53058 60495 61662 70305 78153 88430 102770 120990 130255 132645 140610 154155 156306 173419 260510 265290 308310 346838 380249 390765 520257 760498 781530 867095 963887 1040514 1120193 1140747 1734190 1901245 1927774 2240386 2281494 2601285 2891661 3360579 3802490 4819435 5202570 5600965 5703735 5783322 6721158 9638870 11201930 11407470 14458305 16802895 28916610 33605790 41447141 82894282 124341423 207235705 248682846 414471410 621707115 1243414230