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157250125 = 531258001
BaseRepresentation
bin10010101111101…
…11001001001101
3101221220010121201
421113313021031
5310224001000
623334225501
73616414114
oct1127671115
9357803551
10157250125
118084438a
12447b5291
1326769c16
1416c54c7b
15dc1296a
hex95f724d

157250125 has 8 divisors (see below), whose sum is σ = 196248312. Its totient is φ = 125800000.

The previous prime is 157250117. The next prime is 157250167. The reversal of 157250125 is 521052751.

It can be written as a sum of positive squares in 4 ways, for example, as 31877316 + 125372809 = 5646^2 + 11197^2 .

It is not a de Polignac number, because 157250125 - 23 = 157250117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157250093 and 157250102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628876 + ... + 629125.

It is an arithmetic number, because the mean of its divisors is an integer number (24531039).

Almost surely, 2157250125 is an apocalyptic number.

It is an amenable number.

157250125 is a deficient number, since it is larger than the sum of its proper divisors (38998187).

157250125 is an equidigital number, since it uses as much as digits as its factorization.

157250125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258016 (or 1258006 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 157250125 is about 12539.9411880599. The cubic root of 157250125 is about 539.7554047727.

The spelling of 157250125 in words is "one hundred fifty-seven million, two hundred fifty thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1258001 6290005 31450025 157250125