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56855029 = 7112333169
BaseRepresentation
bin1101100011100…
…0100111110101
310221222112102211
43120320213311
5104023330104
65350333421
71260155050
oct330704765
9127875384
1056855029
112a103030
121705a271
13ba1863a
14779da97
154ed0e04
hex36389f5

56855029 has 16 divisors (see below), whose sum is σ = 71210880. Its totient is φ = 44098560.

The previous prime is 56854999. The next prime is 56855047. The reversal of 56855029 is 92055865.

It is not a de Polignac number, because 56855029 - 25 = 56854997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56854982 and 56855000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56855129) 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, 16357 + ... + 19525.

It is an arithmetic number, because the mean of its divisors is an integer number (4450680).

Almost surely, 256855029 is an apocalyptic number.

It is an amenable number.

56855029 is a deficient number, since it is larger than the sum of its proper divisors (14355851).

56855029 is a wasteful number, since it uses less digits than its factorization.

56855029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 56855029 is about 7540.2273838393. The cubic root of 56855029 is about 384.5235665059.

The spelling of 56855029 in words is "fifty-six million, eight hundred fifty-five thousand, twenty-nine".

Divisors: 1 7 11 77 233 1631 2563 3169 17941 22183 34859 244013 738377 5168639 8122147 56855029