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56797951 = 78113993
BaseRepresentation
bin1101100010101…
…0101011111111
310221212122010211
43120222223333
5104020013301
65345213251
71256526460
oct330525377
9127778124
1056797951
112a074161
1217031227
13b9c8672
147786d67
154ebe051
hex362aaff

56797951 has 4 divisors (see below), whose sum is σ = 64911952. Its totient is φ = 48683952.

The previous prime is 56797913. The next prime is 56797957. The reversal of 56797951 is 15979765.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56797951 - 27 = 56797823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56797895 and 56797904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56797957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4056990 + ... + 4057003.

It is an arithmetic number, because the mean of its divisors is an integer number (16227988).

Almost surely, 256797951 is an apocalyptic number.

56797951 is a deficient number, since it is larger than the sum of its proper divisors (8114001).

56797951 is an equidigital number, since it uses as much as digits as its factorization.

56797951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8114000.

The product of its digits is 595350, while the sum is 49.

The square root of 56797951 is about 7536.4415343052. The cubic root of 56797951 is about 384.3948462311.

The spelling of 56797951 in words is "fifty-six million, seven hundred ninety-seven thousand, nine hundred fifty-one".

Divisors: 1 7 8113993 56797951