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15796242 = 23371129131
BaseRepresentation
bin111100010000…
…100000010010
31002201112101000
4330100200102
513020434432
61322322430
7251160120
oct74204022
932645330
1015796242
118a09a50
125359416
133370bb7
142152910
1515c057c
hexf10812

15796242 has 128 divisors (see below), whose sum is σ = 45619200. Its totient is φ = 3931200.

The previous prime is 15796223. The next prime is 15796243. The reversal of 15796242 is 24269751.

It is a super-2 number, since 2×157962422 = 499042522645128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (30240) is a multiple of the sum of its prime factors (189).

It is a junction number, because it is equal to n+sod(n) for n = 15796197 and 15796206.

It is not an unprimeable number, because it can be changed into a prime (15796243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120517 + ... + 120647.

It is an arithmetic number, because the mean of its divisors is an integer number (356400).

Almost surely, 215796242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15796242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22809600).

15796242 is an abundant number, since it is smaller than the sum of its proper divisors (29822958).

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

15796242 is a wasteful number, since it uses less digits than its factorization.

15796242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 183 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 15796242 is about 3974.4486410067. The cubic root of 15796242 is about 250.9099744341.

The spelling of 15796242 in words is "fifteen million, seven hundred ninety-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 27 29 33 42 54 58 63 66 77 87 99 126 131 154 174 189 198 203 231 261 262 297 319 378 393 406 462 522 594 609 638 693 783 786 917 957 1179 1218 1386 1441 1566 1827 1834 1914 2079 2233 2358 2751 2871 2882 3537 3654 3799 4158 4323 4466 5481 5502 5742 6699 7074 7598 8253 8613 8646 10087 10962 11397 12969 13398 16506 17226 20097 20174 22794 24759 25938 26593 30261 34191 38907 40194 41789 49518 53186 60291 60522 68382 77814 79779 83578 90783 102573 120582 125367 159558 181566 205146 239337 250734 272349 292523 376101 478674 544698 585046 718011 752202 877569 1128303 1436022 1755138 2256606 2632707 5265414 7898121 15796242