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56710440 = 23325198291
BaseRepresentation
bin1101100001010…
…1010100101000
310221201012002200
43120111110220
5104004213230
65343300200
71256013363
oct330252450
9127635080
1056710440
112a014436
1216baa660
13b997897
1477630da
154ea3160
hex3615528

56710440 has 96 divisors (see below), whose sum is σ = 194032800. Its totient is φ = 14325120.

The previous prime is 56710429. The next prime is 56710447. The reversal of 56710440 is 4401765.

It is not an unprimeable number, because it can be changed into a prime (56710447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2695 + ... + 10985.

It is an arithmetic number, because the mean of its divisors is an integer number (2021175).

Almost surely, 256710440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56710440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97016400).

56710440 is an abundant number, since it is smaller than the sum of its proper divisors (137322360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56710440 is a wasteful number, since it uses less digits than its factorization.

56710440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8327 (or 8320 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 56710440 is about 7530.6334394923. The cubic root of 56710440 is about 384.1973269672.

The spelling of 56710440 in words is "fifty-six million, seven hundred ten thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 30 36 38 40 45 57 60 72 76 90 95 114 120 152 171 180 190 228 285 342 360 380 456 570 684 760 855 1140 1368 1710 2280 3420 6840 8291 16582 24873 33164 41455 49746 66328 74619 82910 99492 124365 149238 157529 165820 198984 248730 298476 315058 331640 373095 472587 497460 596952 630116 746190 787645 945174 994920 1260232 1417761 1492380 1575290 1890348 2362935 2835522 2984760 3150580 3780696 4725870 5671044 6301160 7088805 9451740 11342088 14177610 18903480 28355220 56710440