Search a number
-
+
56473761 = 318824587
BaseRepresentation
bin1101011101101…
…1100010100001
310221021011102210
43113123202201
5103424130021
65334232333
71254006351
oct327334241
9127234383
1056473761
1129972633
1216ab56a9
13b913c36
147700b61
154e57e76
hex35db8a1

56473761 has 4 divisors (see below), whose sum is σ = 75298352. Its totient is φ = 37649172.

The previous prime is 56473657. The next prime is 56473777. The reversal of 56473761 is 16737465.

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 56473761 - 27 = 56473633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56471761) 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, 9412291 + ... + 9412296.

It is an arithmetic number, because the mean of its divisors is an integer number (18824588).

Almost surely, 256473761 is an apocalyptic number.

It is an amenable number.

56473761 is a deficient number, since it is larger than the sum of its proper divisors (18824591).

56473761 is a wasteful number, since it uses less digits than its factorization.

56473761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18824590.

The product of its digits is 105840, while the sum is 39.

The square root of 56473761 is about 7514.9025941791. The cubic root of 56473761 is about 383.6621037468.

The spelling of 56473761 in words is "fifty-six million, four hundred seventy-three thousand, seven hundred sixty-one".

Divisors: 1 3 18824587 56473761