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56880145 = 571625147
BaseRepresentation
bin1101100011111…
…0110000010001
310222000210220001
43120332300101
5104030131040
65351050001
71260321220
oct330766021
9128023801
1056880145
112a11a993
1217070901
13ba26bba
1477a8cb7
154ed859a
hex363ec11

56880145 has 8 divisors (see below), whose sum is σ = 78007104. Its totient is φ = 39003504.

The previous prime is 56880101. The next prime is 56880157. The reversal of 56880145 is 54108865.

56880145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56880145 - 215 = 56847377 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812539 + ... + 812608.

It is an arithmetic number, because the mean of its divisors is an integer number (9750888).

Almost surely, 256880145 is an apocalyptic number.

It is an amenable number.

56880145 is a deficient number, since it is larger than the sum of its proper divisors (21126959).

56880145 is a wasteful number, since it uses less digits than its factorization.

56880145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625159.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 56880145 is about 7541.8926669636. The cubic root of 56880145 is about 384.5801799213.

The spelling of 56880145 in words is "fifty-six million, eight hundred eighty thousand, one hundred forty-five".

Divisors: 1 5 7 35 1625147 8125735 11376029 56880145