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56603490 = 2351886783
BaseRepresentation
bin1101011111101…
…1001101100010
310221111202101120
43113323031202
5103442302430
65341113110
71255056516
oct327731542
9127452346
1056603490
1129a51049
1216b58796
13b95acb8
147736146
154e81610
hex35fb362

56603490 has 16 divisors (see below), whose sum is σ = 135848448. Its totient is φ = 15094256.

The previous prime is 56603467. The next prime is 56603497. The reversal of 56603490 is 9430665.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56603497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943362 + ... + 943421.

It is an arithmetic number, because the mean of its divisors is an integer number (8490528).

Almost surely, 256603490 is an apocalyptic number.

56603490 is an abundant number, since it is smaller than the sum of its proper divisors (79244958).

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

56603490 is a wasteful number, since it uses less digits than its factorization.

56603490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886793.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 56603490 is about 7523.5290921216. The cubic root of 56603490 is about 383.9556562293.

The spelling of 56603490 in words is "fifty-six million, six hundred three thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1886783 3773566 5660349 9433915 11320698 18867830 28301745 56603490