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56466805 = 511293361
BaseRepresentation
bin1101011101100…
…1110101110101
310221020210220011
43113121311311
5103423414210
65334140221
71253650153
oct327316565
9127223804
1056466805
112996838a
1216ab1671
13b910a15
1476dc3d3
154e55d8a
hex35d9d75

56466805 has 4 divisors (see below), whose sum is σ = 67760172. Its totient is φ = 45173440.

The previous prime is 56466793. The next prime is 56466811. The reversal of 56466805 is 50866465.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42732369 + 13734436 = 6537^2 + 3706^2 .

It is a de Polignac number, because none of the positive numbers 2k-56466805 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 5646676 + ... + 5646685.

It is an arithmetic number, because the mean of its divisors is an integer number (16940043).

Almost surely, 256466805 is an apocalyptic number.

It is an amenable number.

56466805 is a deficient number, since it is larger than the sum of its proper divisors (11293367).

56466805 is a wasteful number, since it uses less digits than its factorization.

56466805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11293366.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 56466805 is about 7514.4397662101. The cubic root of 56466805 is about 383.6463509256.

The spelling of 56466805 in words is "fifty-six million, four hundred sixty-six thousand, eight hundred five".

Divisors: 1 5 11293361 56466805