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56052159 = 379236507
BaseRepresentation
bin1101010111010…
…0100110111111
310220110202002220
43111310212333
5103322132114
65321220423
71250302242
oct325644677
9126422086
1056052159
11297048a9
1216931713
13b7c7077
147631259
154dc30a9
hex35749bf

56052159 has 8 divisors (see below), whose sum is σ = 75682560. Its totient is φ = 36894936.

The previous prime is 56052137. The next prime is 56052163. The reversal of 56052159 is 95125065.

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

It is not a de Polignac number, because 56052159 - 28 = 56051903 is a prime.

It is a super-2 number, since 2×560521592 = 6283689057122562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56052119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118017 + ... + 118490.

It is an arithmetic number, because the mean of its divisors is an integer number (9460320).

Almost surely, 256052159 is an apocalyptic number.

56052159 is a deficient number, since it is larger than the sum of its proper divisors (19630401).

56052159 is a wasteful number, since it uses less digits than its factorization.

56052159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236589.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 56052159 is about 7486.7989822086. The cubic root of 56052159 is about 382.7049813353.

The spelling of 56052159 in words is "fifty-six million, fifty-two thousand, one hundred fifty-nine".

Divisors: 1 3 79 237 236507 709521 18684053 56052159