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56307841 = 232448167
BaseRepresentation
bin1101011011001…
…1000010000001
310220221201211121
43112303002001
5103403322331
65330512241
71252415542
oct326630201
9126851747
1056307841
1129869a07
1216a35681
13b886565
14769a4c9
154e23c11
hex35b3081

56307841 has 4 divisors (see below), whose sum is σ = 58756032. Its totient is φ = 53859652.

The previous prime is 56307829. The next prime is 56307847. The reversal of 56307841 is 14870365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56307841 - 25 = 56307809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56307797 and 56307806.

It is not an unprimeable number, because it can be changed into a prime (56307847) 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 in 3 ways as a sum of consecutive naturals, for example, 1224061 + ... + 1224106.

It is an arithmetic number, because the mean of its divisors is an integer number (14689008).

Almost surely, 256307841 is an apocalyptic number.

It is an amenable number.

56307841 is a deficient number, since it is larger than the sum of its proper divisors (2448191).

56307841 is a wasteful number, since it uses less digits than its factorization.

56307841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448190.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 56307841 is about 7503.8550758927. The cubic root of 56307841 is about 383.2860018855.

The spelling of 56307841 in words is "fifty-six million, three hundred seven thousand, eight hundred forty-one".

Divisors: 1 23 2448167 56307841