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57170244609 = 343128572
BaseRepresentation
bin110101001111100111…
…001011010000000001
312110120021220100010000
4311033213023100001
51414041040311414
642132540430213
74062506026662
oct651747132001
9173507810100
1057170244609
1122278126a45
12b0b6248369
13551141240a
142aa4b25369
1517490dbb09
hexd4f9cb401

57170244609 has 45 divisors (see below), whose sum is σ = 88349341971. Its totient is φ = 36840990240.

The previous prime is 57170244589. The next prime is 57170244631. The reversal of 57170244609 is 90644207175.

The square root of 57170244609 is 239103.

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

57170244609 is a `hidden beast` number, since 5 + 7 + 17 + 0 + 24 + 4 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52980530625 + 4189713984 = 230175^2 + 64728^2 .

It is not a de Polignac number, because 57170244609 - 25 = 57170244577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57170244679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 66709309 + ... + 66710165.

Almost surely, 257170244609 is an apocalyptic number.

57170244609 is the 239103-rd square number.

57170244609 is the 119552-nd centered octagonal number.

It is an amenable number.

57170244609 is a deficient number, since it is larger than the sum of its proper divisors (31179097362).

57170244609 is an frugal number, since it uses more digits than its factorization.

57170244609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 57170244609 in words is "fifty-seven billion, one hundred seventy million, two hundred forty-four thousand, six hundred nine".

Divisors: 1 3 9 27 31 81 93 279 837 857 961 2511 2571 2883 7713 8649 23139 25947 26567 69417 77841 79701 239103 717309 734449 823577 2151927 2203347 2470731 6610041 7412193 19830123 22236579 22767919 59490369 66709737 68303757 204911271 614733813 705805489 1844201439 2117416467 6352249401 19056748203 57170244609