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56761401 = 3231495521
BaseRepresentation
bin1101100010000…
…1110000111001
310221210210000010
43120201300321
5104012331101
65344332133
71256315064
oct330416071
9127723003
1056761401
112a049754
1217014049
13b9b4b38
1477778db
154eb32d6
hex3621c39

56761401 has 16 divisors (see below), whose sum is σ = 79516800. Its totient is φ = 35946240.

The previous prime is 56761399. The next prime is 56761409. The reversal of 56761401 is 10416765.

It is not a de Polignac number, because 56761401 - 21 = 56761399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56761409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7521 + ... + 13041.

It is an arithmetic number, because the mean of its divisors is an integer number (4969800).

Almost surely, 256761401 is an apocalyptic number.

It is an amenable number.

56761401 is a deficient number, since it is larger than the sum of its proper divisors (22755399).

56761401 is a wasteful number, since it uses less digits than its factorization.

56761401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 56761401 is about 7534.0162596055. The cubic root of 56761401 is about 384.3123746739.

The spelling of 56761401 in words is "fifty-six million, seven hundred sixty-one thousand, four hundred one".

Divisors: 1 3 23 69 149 447 3427 5521 10281 16563 126983 380949 822629 2467887 18920467 56761401