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56256445 = 571607327
BaseRepresentation
bin1101011010011…
…0011110111101
310220212010100001
43112212132331
5103400201240
65325434301
71252112650
oct326463675
9126763301
1056256445
1129834333
1216a0b991
13b86904b
147685897
154e1389a
hex35a67bd

56256445 has 8 divisors (see below), whose sum is σ = 77151744. Its totient is φ = 38575824.

The previous prime is 56256439. The next prime is 56256449. The reversal of 56256445 is 54465265.

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

It is not a de Polignac number, because 56256445 - 213 = 56248253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56256449) 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, 803629 + ... + 803698.

It is an arithmetic number, because the mean of its divisors is an integer number (9643968).

Almost surely, 256256445 is an apocalyptic number.

It is an amenable number.

56256445 is a deficient number, since it is larger than the sum of its proper divisors (20895299).

56256445 is a wasteful number, since it uses less digits than its factorization.

56256445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607339.

The product of its digits is 144000, while the sum is 37.

The square root of 56256445 is about 7500.4296543598. The cubic root of 56256445 is about 383.1693493099.

The spelling of 56256445 in words is "fifty-six million, two hundred fifty-six thousand, four hundred forty-five".

Divisors: 1 5 7 35 1607327 8036635 11251289 56256445