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56853739 = 2112271187
BaseRepresentation
bin1101100011100…
…0010011101011
310221222110200001
43120320103223
5104023304424
65350323431
71260151225
oct330702353
9127873601
1056853739
112a102068
1217059577
13ba17b87
14779d415
154ed0844
hex36384eb

56853739 has 8 divisors (see below), whose sum is σ = 57423168. Its totient is φ = 56287560.

The previous prime is 56853689. The next prime is 56853743. The reversal of 56853739 is 93735865.

56853739 = T6155 + T6156 + T6157.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56853739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56853239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47304 + ... + 48490.

It is an arithmetic number, because the mean of its divisors is an integer number (7177896).

Almost surely, 256853739 is an apocalyptic number.

56853739 is the 6157-th centered triangular number.

56853739 is a deficient number, since it is larger than the sum of its proper divisors (569429).

56853739 is a wasteful number, since it uses less digits than its factorization.

56853739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625.

The product of its digits is 680400, while the sum is 46.

The square root of 56853739 is about 7540.1418421672. The cubic root of 56853739 is about 384.5206582955.

The spelling of 56853739 in words is "fifty-six million, eight hundred fifty-three thousand, seven hundred thirty-nine".

Divisors: 1 211 227 1187 47897 250457 269449 56853739