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56107439 = 160934871
BaseRepresentation
bin1101011000001…
…0000110101111
310220120112221022
43112002012233
5103330414224
65322324355
71250622353
oct326020657
9126515838
1056107439
1129742393
12169596bb
13b81628b
147647463
154dd465e
hex35821af

56107439 has 4 divisors (see below), whose sum is σ = 56143920. Its totient is φ = 56070960.

The previous prime is 56107433. The next prime is 56107477. The reversal of 56107439 is 93470165.

56107439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56107439 - 216 = 56041903 is a prime.

It is a super-2 number, since 2×561074392 = 6296089422277442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56107399 and 56107408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56107433) 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, 15827 + ... + 19044.

It is an arithmetic number, because the mean of its divisors is an integer number (14035980).

Almost surely, 256107439 is an apocalyptic number.

56107439 is a deficient number, since it is larger than the sum of its proper divisors (36481).

56107439 is a wasteful number, since it uses less digits than its factorization.

56107439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36480.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 56107439 is about 7490.4899038714. The cubic root of 56107439 is about 382.8307509799.

The spelling of 56107439 in words is "fifty-six million, one hundred seven thousand, four hundred thirty-nine".

Divisors: 1 1609 34871 56107439