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56020542 = 2317549221
BaseRepresentation
bin1101010110110…
…0111000111110
310220102010201220
43111230320332
5103320124132
65320414210
71250111124
oct325547076
9126363656
1056020542
1129693076
1216917366
13b7b5866
147623914
154db8a2c
hex356ce3e

56020542 has 16 divisors (see below), whose sum is σ = 118631952. Its totient is φ = 17575040.

The previous prime is 56020513. The next prime is 56020561. The reversal of 56020542 is 24502065.

It is a super-2 number, since 2×560205422 = 6276602251947528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274509 + ... + 274712.

It is an arithmetic number, because the mean of its divisors is an integer number (7414497).

Almost surely, 256020542 is an apocalyptic number.

56020542 is an abundant number, since it is smaller than the sum of its proper divisors (62611410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56020542 is a wasteful number, since it uses less digits than its factorization.

56020542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549243.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 56020542 is about 7484.6871678114. The cubic root of 56020542 is about 382.6330111123.

The spelling of 56020542 in words is "fifty-six million, twenty thousand, five hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 549221 1098442 1647663 3295326 9336757 18673514 28010271 56020542