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56385283 = 66185303
BaseRepresentation
bin1101011100010…
…1111100000011
310221002200001211
43113011330003
5103413312113
65332310551
71253160403
oct327057403
9127080054
1056385283
1129912109
1216a72457
13b8b2896
1476ba803
154e3bb3d
hex35c5f03

56385283 has 4 divisors (see below), whose sum is σ = 56471248. Its totient is φ = 56299320.

The previous prime is 56385271. The next prime is 56385317. The reversal of 56385283 is 38258365.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38258365 = 57651673.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56385283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56385883) 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, 41991 + ... + 43312.

It is an arithmetic number, because the mean of its divisors is an integer number (14117812).

Almost surely, 256385283 is an apocalyptic number.

56385283 is a deficient number, since it is larger than the sum of its proper divisors (85965).

56385283 is an equidigital number, since it uses as much as digits as its factorization.

56385283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85964.

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

The square root of 56385283 is about 7509.0134505140. The cubic root of 56385283 is about 383.4616366147.

The spelling of 56385283 in words is "fifty-six million, three hundred eighty-five thousand, two hundred eighty-three".

Divisors: 1 661 85303 56385283