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56876443 = 1321917713
BaseRepresentation
bin1101100011110…
…1110110011011
310222000121210221
43120331312123
5104030021233
65351020511
71260304351
oct330756633
9128017727
1056876443
112a118128
121706a737
13ba25300
1477a77d1
154ed742d
hex363dd9b

56876443 has 12 divisors (see below), whose sum is σ = 64833240. Its totient is φ = 49735296.

The previous prime is 56876431. The next prime is 56876459. The reversal of 56876443 is 34467865.

It is a de Polignac number, because none of the positive numbers 2k-56876443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56876443.

It is not an unprimeable number, because it can be changed into a prime (56876483) 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 11 ways as a sum of consecutive naturals, for example, 5646 + ... + 12067.

It is an arithmetic number, because the mean of its divisors is an integer number (5402770).

Almost surely, 256876443 is an apocalyptic number.

56876443 is a deficient number, since it is larger than the sum of its proper divisors (7956797).

56876443 is a wasteful number, since it uses less digits than its factorization.

56876443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17758 (or 17745 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 56876443 is about 7541.6472338608. The cubic root of 56876443 is about 384.5718363730.

The spelling of 56876443 in words is "fifty-six million, eight hundred seventy-six thousand, four hundred forty-three".

Divisors: 1 13 19 169 247 3211 17713 230269 336547 2993497 4375111 56876443