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56520542 = 2137397307
BaseRepresentation
bin1101011110011…
…0111101011110
310221100112121102
43113212331132
5103432124132
65335233102
71254262631
oct327467536
9127315542
1056520542
11299a47a1
1216b18792
13b92c310
147713c18
154e66c62
hex35e6f5e

56520542 has 32 divisors (see below), whose sum is σ = 93811872. Its totient is φ = 25380864.

The previous prime is 56520539. The next prime is 56520547. The reversal of 56520542 is 24502565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56520547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183953 + ... + 184259.

It is an arithmetic number, because the mean of its divisors is an integer number (2931621).

Almost surely, 256520542 is an apocalyptic number.

56520542 is a deficient number, since it is larger than the sum of its proper divisors (37291330).

56520542 is a wasteful number, since it uses less digits than its factorization.

56520542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 56520542 is about 7518.0144985229. The cubic root of 56520542 is about 383.7680121839.

The spelling of 56520542 in words is "fifty-six million, five hundred twenty thousand, five hundred forty-two".

Divisors: 1 2 13 26 73 97 146 194 307 614 949 1261 1898 2522 3991 7081 7982 14162 22411 29779 44822 59558 92053 184106 291343 387127 582686 774254 2173867 4347734 28260271 56520542