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38386605625 = 541724612
BaseRepresentation
bin100011110000000001…
…010001111000111001
310200002020011121111021
4203300001101320321
51112103432340000
625345022102441
72526153523054
oct436001217071
9120066147437
1038386605625
1115309268a65
12753371aa21
133809a39c34
141c021cba9b
15eea03e11a
hex8f0051e39

38386605625 has 45 divisors (see below), whose sum is σ = 51066294961. Its totient is φ = 28840160000.

The previous prime is 38386605623. The next prime is 38386605641. The reversal of 38386605625 is 52650668383.

The square root of 38386605625 is 195925.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 37263283369 + 1123322256 = 193037^2 + 33516^2 .

It is not a de Polignac number, because 38386605625 - 21 = 38386605623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38386605623) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 83267895 + ... + 83268355.

Almost surely, 238386605625 is an apocalyptic number.

38386605625 is the 195925-th square number.

38386605625 is the 97963-rd centered octagonal number.

It is an amenable number.

38386605625 is a deficient number, since it is larger than the sum of its proper divisors (12679689336).

38386605625 is an frugal number, since it uses more digits than its factorization.

38386605625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 38386605625 in words is "thirty-eight billion, three hundred eighty-six million, six hundred five thousand, six hundred twenty-five".

Divisors: 1 5 17 25 85 125 289 425 461 625 1445 2125 2305 7225 7837 10625 11525 36125 39185 57625 133229 180625 195925 212521 288125 666145 979625 1062605 3330725 3612857 4898125 5313025 16653625 18064285 26565125 61418569 83268125 90321425 132825625 307092845 451607125 1535464225 2258035625 7677321125 38386605625