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56757082 = 228378541
BaseRepresentation
bin1101100010000…
…0101101011010
310221210120002011
43120200231122
5104012211312
65344300134
71256266354
oct330405532
9127716064
1056757082
112a046488
121701164a
13b9b2b95
1477760d4
154eb1da7
hex3620b5a

56757082 has 4 divisors (see below), whose sum is σ = 85135626. Its totient is φ = 28378540.

The previous prime is 56757073. The next prime is 56757083. The reversal of 56757082 is 28075765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28075765 = 55615153.

It can be written as a sum of positive squares in only one way, i.e., 52258441 + 4498641 = 7229^2 + 2121^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (56757083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14189269 + ... + 14189272.

Almost surely, 256757082 is an apocalyptic number.

56757082 is a deficient number, since it is larger than the sum of its proper divisors (28378544).

56757082 is a wasteful number, since it uses less digits than its factorization.

56757082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28378543.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 56757082 is about 7533.7296208452. The cubic root of 56757082 is about 384.3026269274.

The spelling of 56757082 in words is "fifty-six million, seven hundred fifty-seven thousand, eighty-two".

Divisors: 1 2 28378541 56757082