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230523725 = 5228193271
BaseRepresentation
bin11011011110110…
…00001101001101
3121001202211002202
431233120031031
5433003224400
634512531245
75466263555
oct1557301515
9531684082
10230523725
11109140983
1265250b25
13389b3793
142288a165
15153884d5
hexdbd834d

230523725 has 12 divisors (see below), whose sum is σ = 286038240. Its totient is φ = 184297200.

The previous prime is 230523677. The next prime is 230523737. The reversal of 230523725 is 527325032.

It is a happy number.

It is not a de Polignac number, because 230523725 - 210 = 230522701 is a prime.

It is a congruent number.

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, 68840 + ... + 72110.

It is an arithmetic number, because the mean of its divisors is an integer number (23836520).

Almost surely, 2230523725 is an apocalyptic number.

230523725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230523725 is a deficient number, since it is larger than the sum of its proper divisors (55514515).

230523725 is a wasteful number, since it uses less digits than its factorization.

230523725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100 (or 6095 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 230523725 is about 15183.0077718481. The cubic root of 230523725 is about 613.1572619661.

Adding to 230523725 its reverse (527325032), we get a palindrome (757848757).

The spelling of 230523725 in words is "two hundred thirty million, five hundred twenty-three thousand, seven hundred twenty-five".

Divisors: 1 5 25 2819 3271 14095 16355 70475 81775 9220949 46104745 230523725