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56200978 = 242016689
BaseRepresentation
bin1101011001100…
…0111100010010
310220202022020201
43112120330102
5103341412403
65324325414
71251462151
oct326307422
9126668221
1056200978
11297a6699
12169a386a
13b849a22
14766d598
154e0221d
hex3598f12

56200978 has 8 divisors (see below), whose sum is σ = 84334140. Its totient is φ = 28089600.

The previous prime is 56200961. The next prime is 56200979. The reversal of 56200978 is 87900265.

56200978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55756089 + 444889 = 7467^2 + 667^2 .

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

It is not an unprimeable number, because it can be changed into a prime (56200979) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5058 + ... + 11746.

Almost surely, 256200978 is an apocalyptic number.

56200978 is a deficient number, since it is larger than the sum of its proper divisors (28133162).

56200978 is a wasteful number, since it uses less digits than its factorization.

56200978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10892.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 56200978 is about 7496.7311543099. The cubic root of 56200978 is about 383.0433771176.

The spelling of 56200978 in words is "fifty-six million, two hundred thousand, nine hundred seventy-eight".

Divisors: 1 2 4201 6689 8402 13378 28100489 56200978