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56919841 = 115174531
BaseRepresentation
bin1101100100100…
…0011100100001
310222002211100021
43121020130201
5104032413331
65351553441
71260545026
oct331103441
9128084307
1056919841
112a1477a0
121708b881
13ba3bca4
1477b954d
154ee5211
hex3648721

56919841 has 4 divisors (see below), whose sum is σ = 62094384. Its totient is φ = 51745300.

The previous prime is 56919833. The next prime is 56919847. The reversal of 56919841 is 14891965.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56919841 - 23 = 56919833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56919847) 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 3 ways as a sum of consecutive naturals, for example, 2587255 + ... + 2587276.

It is an arithmetic number, because the mean of its divisors is an integer number (15523596).

Almost surely, 256919841 is an apocalyptic number.

It is an amenable number.

56919841 is a deficient number, since it is larger than the sum of its proper divisors (5174543).

56919841 is a wasteful number, since it uses less digits than its factorization.

56919841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174542.

The product of its digits is 77760, while the sum is 43.

The square root of 56919841 is about 7544.5239081071. The cubic root of 56919841 is about 384.6696238143.

The spelling of 56919841 in words is "fifty-six million, nine hundred nineteen thousand, eight hundred forty-one".

Divisors: 1 11 5174531 56919841