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56252506 = 237760169
BaseRepresentation
bin1101011010010…
…1100001011010
310220211220221011
43112211201122
5103400040011
65325404134
71252065322
oct326454132
9126756834
1056252506
1129831382
1216a0964a
13b86730b
147684282
154e12621
hex35a585a

56252506 has 8 divisors (see below), whose sum is σ = 86659380. Its totient is φ = 27366048.

The previous prime is 56252501. The next prime is 56252509. The reversal of 56252506 is 60525265.

56252506 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 54834025 + 1418481 = 7405^2 + 1191^2 .

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 (56252501) 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, 380011 + ... + 380158.

Almost surely, 256252506 is an apocalyptic number.

56252506 is a deficient number, since it is larger than the sum of its proper divisors (30406874).

56252506 is a wasteful number, since it uses less digits than its factorization.

56252506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760208.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 56252506 is about 7500.1670648060. The cubic root of 56252506 is about 383.1604061017.

The spelling of 56252506 in words is "fifty-six million, two hundred fifty-two thousand, five hundred six".

Divisors: 1 2 37 74 760169 1520338 28126253 56252506