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256654325 = 5268315031
BaseRepresentation
bin11110100110000…
…11101111110101
3122212221101112202
433103003233311
51011200414300
641244554245
76234345224
oct1723035765
9585841482
10256654325
11121969214
1271b52985
1341232485
142612ccbb
15177eaad5
hexf4c3bf5

256654325 has 12 divisors (see below), whose sum is σ = 318738528. Its totient is φ = 205009200.

The previous prime is 256654319. The next prime is 256654339. The reversal of 256654325 is 523456652.

It is not a de Polignac number, because 256654325 - 216 = 256588789 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 9560 + ... + 24590.

It is an arithmetic number, because the mean of its divisors is an integer number (26561544).

Almost surely, 2256654325 is an apocalyptic number.

256654325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

256654325 is a deficient number, since it is larger than the sum of its proper divisors (62084203).

256654325 is a wasteful number, since it uses less digits than its factorization.

256654325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15724 (or 15719 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The square root of 256654325 is about 16020.4346070885. The cubic root of 256654325 is about 635.5009377199.

The spelling of 256654325 in words is "two hundred fifty-six million, six hundred fifty-four thousand, three hundred twenty-five".

Divisors: 1 5 25 683 3415 15031 17075 75155 375775 10266173 51330865 256654325