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238648887625 = 5313071460743
BaseRepresentation
bin1101111001000010010…
…1010000100101001001
3211210222211222121020211
43132100211100211021
512402223103401000
6301344521521121
723145641034451
oct3362045204511
9753884877224
10238648887625
1192235091545
123a3030431a1
13196734abc55
14b79d064d61
15631b5217ba
hex3790950949

238648887625 has 16 divisors (see below), whose sum is σ = 298061891712. Its totient is φ = 190772905200.

The previous prime is 238648887619. The next prime is 238648887683. The reversal of 238648887625 is 526788846832.

It is not a de Polignac number, because 238648887625 - 217 = 238648756553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566997 + ... + 893746.

It is an arithmetic number, because the mean of its divisors is an integer number (18628868232).

Almost surely, 2238648887625 is an apocalyptic number.

238648887625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

238648887625 is a deficient number, since it is larger than the sum of its proper divisors (59413004087).

238648887625 is a wasteful number, since it uses less digits than its factorization.

238648887625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462065 (or 1462055 counting only the distinct ones).

The product of its digits is 247726080, while the sum is 67.

The spelling of 238648887625 in words is "two hundred thirty-eight billion, six hundred forty-eight million, eight hundred eighty-seven thousand, six hundred twenty-five".

Divisors: 1 5 25 125 1307 6535 32675 163375 1460743 7303715 36518575 182592875 1909191101 9545955505 47729777525 238648887625