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56206144 = 26878221
BaseRepresentation
bin1101011001101…
…0001101000000
310220202120100001
43112122031000
5103342044034
65324405344
71251513211
oct326321500
9126676301
1056206144
11297aa565
12169a6854
13b84c197
147671408
154e03a14
hex359a340

56206144 has 14 divisors (see below), whose sum is σ = 111534194. Its totient is φ = 28103040.

The previous prime is 56206141. The next prime is 56206151. The reversal of 56206144 is 44160265.

It can be written as a sum of positive squares in only one way, i.e., 47444544 + 8761600 = 6888^2 + 2960^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56206141) 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 as a sum of consecutive naturals, namely, 439047 + ... + 439174.

Almost surely, 256206144 is an apocalyptic number.

It is an amenable number.

56206144 is a deficient number, since it is larger than the sum of its proper divisors (55328050).

56206144 is an equidigital number, since it uses as much as digits as its factorization.

56206144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878233 (or 878223 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 56206144 is about 7497.0756965633. The cubic root of 56206144 is about 383.0551132209.

The spelling of 56206144 in words is "fifty-six million, two hundred six thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 878221 1756442 3512884 7025768 14051536 28103072 56206144