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56507411 = 61926351
BaseRepresentation
bin1101011110001…
…1110000010011
310221022212121002
43113203300103
5103431214121
65335052215
71254206432
oct327436023
9127285532
1056507411
1129995944
1216b1106b
13b92634c
14770d119
154e62e0b
hex35e3c13

56507411 has 4 divisors (see below), whose sum is σ = 57433824. Its totient is φ = 55581000.

The previous prime is 56507383. The next prime is 56507417. The reversal of 56507411 is 11470565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11470565 = 52294113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56507411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56507417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463115 + ... + 463236.

It is an arithmetic number, because the mean of its divisors is an integer number (14358456).

Almost surely, 256507411 is an apocalyptic number.

56507411 is a deficient number, since it is larger than the sum of its proper divisors (926413).

56507411 is an equidigital number, since it uses as much as digits as its factorization.

56507411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926412.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 56507411 is about 7517.1411454089. The cubic root of 56507411 is about 383.7382905530.

Adding to 56507411 its reverse (11470565), we get a palindrome (67977976).

The spelling of 56507411 in words is "fifty-six million, five hundred seven thousand, four hundred eleven".

Divisors: 1 61 926351 56507411