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32564007025 = 521121721932
BaseRepresentation
bin11110010100111101…
…110101000001110001
310010001102220221210021
4132110331311001301
51013142341211100
622543143403441
72231652330664
oct362475650161
9103042827707
1032564007025
11128a0595500
126389753581
1330bc645314
14180cb9b6db
15ca8c99a1a
hex794f75071

32564007025 has 81 divisors (see below), whose sum is σ = 47393889123. Its totient is φ = 22174310400.

The previous prime is 32564007019. The next prime is 32564007029. The reversal of 32564007025 is 52070046523.

The square root of 32564007025 is 180455.

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

It can be written as a sum of positive squares in 13 ways, for example, as 20063872609 + 12500134416 = 141647^2 + 111804^2 .

It is not a de Polignac number, because 32564007025 - 23 = 32564007017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32564007029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 168725329 + ... + 168725521.

Almost surely, 232564007025 is an apocalyptic number.

32564007025 is the 180455-th square number.

32564007025 is the 90228-th centered octagonal number.

It is an amenable number.

32564007025 is a deficient number, since it is larger than the sum of its proper divisors (14829882098).

32564007025 is a wasteful number, since it uses less digits than its factorization.

32564007025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 32564007025 in words is "thirty-two billion, five hundred sixty-four million, seven thousand, twenty-five".

Divisors: 1 5 11 17 25 55 85 121 187 193 275 289 425 605 935 965 1445 2057 2123 3025 3179 3281 4675 4825 7225 10285 10615 15895 16405 23353 34969 36091 37249 51425 53075 55777 79475 82025 116765 174845 180455 186245 278885 397001 409739 583825 613547 633233 874225 902275 931225 1394425 1985005 2048695 3067735 3166165 4507129 6749017 6965563 9925025 10243475 10764961 15338675 15830825 22535645 33745085 34827815 53824805 76621193 112678225 118414571 168725425 174139075 269124025 383105965 592072855 1302560281 1915529825 2960364275 6512801405 32564007025