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56284799 = 257389563
BaseRepresentation
bin1101011010110…
…1011001111111
310220220120020012
43112231121333
5103402103144
65330213435
71252261424
oct326553177
9126816205
1056284799
112985366a
1216a2427b
13b878c1c
147691d4b
154e1be9e
hex35ad67f

56284799 has 8 divisors (see below), whose sum is σ = 56749680. Its totient is φ = 55822336.

The previous prime is 56284771. The next prime is 56284801. The reversal of 56284799 is 99748265.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56284799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56284769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99692 + ... + 100254.

It is an arithmetic number, because the mean of its divisors is an integer number (7093710).

Almost surely, 256284799 is an apocalyptic number.

56284799 is a deficient number, since it is larger than the sum of its proper divisors (464881).

56284799 is a wasteful number, since it uses less digits than its factorization.

56284799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209.

The product of its digits is 1088640, while the sum is 50.

The square root of 56284799 is about 7502.3195746382. The cubic root of 56284799 is about 383.2337126551.

The spelling of 56284799 in words is "fifty-six million, two hundred eighty-four thousand, seven hundred ninety-nine".

Divisors: 1 257 389 563 99973 144691 219007 56284799