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56461271 = 531065307
BaseRepresentation
bin1101011101100…
…0011111010111
310221020112022012
43113120133113
5103423230041
65334054435
71253625056
oct327303727
9127215265
1056461271
1129964209
1216aaa41b
13b90b349
1476da39d
154e543eb
hex35d87d7

56461271 has 4 divisors (see below), whose sum is σ = 57526632. Its totient is φ = 55395912.

The previous prime is 56461253. The next prime is 56461337. The reversal of 56461271 is 17216465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56461271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56464271) 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 3 ways as a sum of consecutive naturals, for example, 532601 + ... + 532706.

It is an arithmetic number, because the mean of its divisors is an integer number (14381658).

Almost surely, 256461271 is an apocalyptic number.

56461271 is a deficient number, since it is larger than the sum of its proper divisors (1065361).

56461271 is a wasteful number, since it uses less digits than its factorization.

56461271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065360.

The product of its digits is 10080, while the sum is 32.

The square root of 56461271 is about 7514.0715327976. The cubic root of 56461271 is about 383.6338174955.

The spelling of 56461271 in words is "fifty-six million, four hundred sixty-one thousand, two hundred seventy-one".

Divisors: 1 53 1065307 56461271