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56905422 = 2372395669
BaseRepresentation
bin1101100100010…
…0111011001110
310222002002120020
43121010323032
5104031433142
65351403010
71260455010
oct331047316
9128062506
1056905422
112a137982
1217083466
13ba35562
1477b41b0
154ee0cec
hex3644ece

56905422 has 32 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 16187808.

The previous prime is 56905421. The next prime is 56905423. The reversal of 56905422 is 22450965.

It is an interprime number because it is at equal distance from previous prime (56905421) and next prime (56905423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56905421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7204 + ... + 12872.

It is an arithmetic number, because the mean of its divisors is an integer number (4082400).

Almost surely, 256905422 is an apocalyptic number.

56905422 is an abundant number, since it is smaller than the sum of its proper divisors (73731378).

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

56905422 is a wasteful number, since it uses less digits than its factorization.

56905422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 56905422 is about 7543.5682538173. The cubic root of 56905422 is about 384.6371394197.

The spelling of 56905422 in words is "fifty-six million, nine hundred five thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 239 478 717 1434 1673 3346 5019 5669 10038 11338 17007 34014 39683 79366 119049 238098 1354891 2709782 4064673 8129346 9484237 18968474 28452711 56905422