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56761349 is a prime number
BaseRepresentation
bin1101100010000…
…1110000000101
310221210202221012
43120201300011
5104012330344
65344332005
71256314661
oct330416005
9127722835
1056761349
112a049707
1217014005
13b9b4ac8
1477778a1
154eb329e
hex3621c05

56761349 has 2 divisors, whose sum is σ = 56761350. Its totient is φ = 56761348.

The previous prime is 56761339. The next prime is 56761361. The reversal of 56761349 is 94316765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39062500 + 17698849 = 6250^2 + 4207^2 .

It is a cyclic number.

It is not a de Polignac number, because 56761349 - 216 = 56695813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56761319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28380674 + 28380675.

It is an arithmetic number, because the mean of its divisors is an integer number (28380675).

Almost surely, 256761349 is an apocalyptic number.

It is an amenable number.

56761349 is a deficient number, since it is larger than the sum of its proper divisors (1).

56761349 is an equidigital number, since it uses as much as digits as its factorization.

56761349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 56761349 is about 7534.0128085901. The cubic root of 56761349 is about 384.3122573157.

It can be divided in two parts, 567 and 61349, that added together give a palindrome (61916).

The spelling of 56761349 in words is "fifty-six million, seven hundred sixty-one thousand, three hundred forty-nine".