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56575001025 = 325210121572
BaseRepresentation
bin110100101100001000…
…100000000111000001
312102000210211211102100
4310230020200013001
51411331200013100
641553514341013
74041660400644
oct645410400701
9172023754370
1056575001025
1121aa21276a4
12ab6aa2a769
135447cc078a
142a49a59a5b
151711c0d400
hexd2c2201c1

56575001025 has 81 divisors (see below), whose sum is σ = 103001367963. Its totient is φ = 29684304000.

The previous prime is 56575001017. The next prime is 56575001051. The reversal of 56575001025 is 52010057565.

It is a happy number.

The square root of 56575001025 is 237855.

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

56575001025 is a `hidden beast` number, since 56 + 575 + 0 + 0 + 10 + 25 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 15685308081 + 40889692944 = 125241^2 + 202212^2 .

It is not a de Polignac number, because 56575001025 - 23 = 56575001017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 360350247 + ... + 360350403.

Almost surely, 256575001025 is an apocalyptic number.

56575001025 is the 237855-th square number.

56575001025 is the 118928-th centered octagonal number.

It is an amenable number.

56575001025 is a deficient number, since it is larger than the sum of its proper divisors (46426366938).

56575001025 is a wasteful number, since it uses less digits than its factorization.

56575001025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

Multiplying 56575001025 by its sum of digits (36), we get a square (2036700036900 = 14271302).

The spelling of 56575001025 in words is "fifty-six billion, five hundred seventy-five million, one thousand, twenty-five".

Divisors: 1 3 5 9 15 25 45 75 101 157 225 303 471 505 785 909 1413 1515 2355 2525 3925 4545 7065 7575 10201 11775 15857 22725 24649 30603 35325 47571 51005 73947 79285 91809 123245 142713 153015 221841 237855 255025 369735 396425 459045 616225 713565 765075 1109205 1189275 1601557 1848675 2295225 2489549 3567825 4804671 5546025 7468647 8007785 12447745 14414013 22405941 24023355 37343235 40038925 62238725 72070065 112029705 120116775 186716175 251444449 360350325 560148525 754333347 1257222245 2263000041 3771666735 6286111225 11315000205 18858333675 56575001025