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56805077 = 78115011
BaseRepresentation
bin1101100010110…
…0011011010101
310221212222220202
43120230123111
5104020230302
65345310245
71256556320
oct330543325
9127788822
1056805077
112a07954a
1217035385
13b9cb994
1477897b7
154ec1202
hex362c6d5

56805077 has 4 divisors (see below), whose sum is σ = 64920096. Its totient is φ = 48690060.

The previous prime is 56805059. The next prime is 56805121. The reversal of 56805077 is 77050865.

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 56805077 - 218 = 56542933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56805077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56805277) 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, 4057499 + ... + 4057512.

It is an arithmetic number, because the mean of its divisors is an integer number (16230024).

Almost surely, 256805077 is an apocalyptic number.

It is an amenable number.

56805077 is a deficient number, since it is larger than the sum of its proper divisors (8115019).

56805077 is an equidigital number, since it uses as much as digits as its factorization.

56805077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115018.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 56805077 is about 7536.9142890178. The cubic root of 56805077 is about 384.4109212425.

The spelling of 56805077 in words is "fifty-six million, eight hundred five thousand, seventy-seven".

Divisors: 1 7 8115011 56805077