Search a number
-
+
56461747 = 71037949
BaseRepresentation
bin1101011101100…
…0100110110011
310221020112221211
43113120212303
5103423233442
65334100551
71253626336
oct327304663
9127215854
1056461747
1129964601
1216aaa757
13b90b624
1476da61d
154e54617
hex35d89b3

56461747 has 4 divisors (see below), whose sum is σ = 56476800. Its totient is φ = 56446696.

The previous prime is 56461729. The next prime is 56461759. The reversal of 56461747 is 74716465.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56461747 - 215 = 56428979 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56471747) 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, 3129 + ... + 11077.

It is an arithmetic number, because the mean of its divisors is an integer number (14119200).

Almost surely, 256461747 is an apocalyptic number.

56461747 is a deficient number, since it is larger than the sum of its proper divisors (15053).

56461747 is an equidigital number, since it uses as much as digits as its factorization.

56461747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15052.

The product of its digits is 141120, while the sum is 40.

The square root of 56461747 is about 7514.1032066375. The cubic root of 56461747 is about 383.6348955748.

The spelling of 56461747 in words is "fifty-six million, four hundred sixty-one thousand, seven hundred forty-seven".

Divisors: 1 7103 7949 56461747