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155796425 = 5210957173
BaseRepresentation
bin10010100100101…
…00001111001001
3101212011021111222
421102110033021
5304340441200
623243131425
73601150661
oct1122241711
9355137458
10155796425
117aa41184
1244213b75
132637b345
14169971a1
15da26d85
hex94943c9

155796425 has 12 divisors (see below), whose sum is σ = 194963340. Its totient is φ = 123491520.

The previous prime is 155796401. The next prime is 155796437. The reversal of 155796425 is 524697551.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9966649 + 145829776 = 3157^2 + 12076^2 .

It is not a de Polignac number, because 155796425 - 28 = 155796169 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25862 + ... + 31311.

It is an arithmetic number, because the mean of its divisors is an integer number (16246945).

Almost surely, 2155796425 is an apocalyptic number.

It is an amenable number.

155796425 is a deficient number, since it is larger than the sum of its proper divisors (39166915).

155796425 is a wasteful number, since it uses less digits than its factorization.

155796425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57292 (or 57287 counting only the distinct ones).

The product of its digits is 378000, while the sum is 44.

The square root of 155796425 is about 12481.8438141166. The cubic root of 155796425 is about 538.0869952787.

The spelling of 155796425 in words is "one hundred fifty-five million, seven hundred ninety-six thousand, four hundred twenty-five".

Divisors: 1 5 25 109 545 2725 57173 285865 1429325 6231857 31159285 155796425