Search a number
-
+
56461069 = 78065867
BaseRepresentation
bin1101011101100…
…0011100001101
310221020112000201
43113120130031
5103423223234
65334053501
71253624350
oct327303415
9127215021
1056461069
1129964045
1216aaa291
13b90b222
1476da297
154e54314
hex35d870d

56461069 has 4 divisors (see below), whose sum is σ = 64526944. Its totient is φ = 48395196.

The previous prime is 56461043. The next prime is 56461073. The reversal of 56461069 is 96016465.

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 a cyclic number.

It is not a de Polignac number, because 56461069 - 25 = 56461037 is a prime.

It is a super-2 number, since 2×564610692 = 6375704625245522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56461039) 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, 4032927 + ... + 4032940.

It is an arithmetic number, because the mean of its divisors is an integer number (16131736).

Almost surely, 256461069 is an apocalyptic number.

It is an amenable number.

56461069 is a deficient number, since it is larger than the sum of its proper divisors (8065875).

56461069 is an equidigital number, since it uses as much as digits as its factorization.

56461069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8065874.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 56461069 is about 7514.0580913379. The cubic root of 56461069 is about 383.6333599894.

The spelling of 56461069 in words is "fifty-six million, four hundred sixty-one thousand, sixty-nine".

Divisors: 1 7 8065867 56461069