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56676530 = 251731812
BaseRepresentation
bin1101100000110…
…1000010110010
310221122110120202
43120031002302
5104002122110
65342435202
71255512461
oct330150262
9127573522
1056676530
1129aa0a09
1216b92b02
13b985311
1477549d8
154e980a5
hex360d0b2

56676530 has 24 divisors (see below), whose sum is σ = 103177476. Its totient is φ = 22415040.

The previous prime is 56676523. The next prime is 56676533. The reversal of 56676530 is 3567665.

It can be written as a sum of positive squares in 6 ways, for example, as 4157521 + 52519009 = 2039^2 + 7247^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (56676533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313040 + ... + 313220.

Almost surely, 256676530 is an apocalyptic number.

56676530 is a deficient number, since it is larger than the sum of its proper divisors (46500946).

56676530 is a wasteful number, since it uses less digits than its factorization.

56676530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 56676530 is about 7528.3816321969. The cubic root of 56676530 is about 384.1207347857.

The spelling of 56676530 in words is "fifty-six million, six hundred seventy-six thousand, five hundred thirty".

Divisors: 1 2 5 10 173 181 346 362 865 905 1730 1810 31313 32761 62626 65522 156565 163805 313130 327610 5667653 11335306 28338265 56676530