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56289282 = 2371340221
BaseRepresentation
bin1101011010111…
…0100000000010
310220220210101020
43112232200002
5103402224112
65330250310
71252310460
oct326564002
9126823336
1056289282
1129856a75
1216a26996
13b87ac8a
147693830
154e1d48c
hex35ae802

56289282 has 16 divisors (see below), whose sum is σ = 128661312. Its totient is φ = 16082640.

The previous prime is 56289281. The next prime is 56289293. The reversal of 56289282 is 28298265.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1340221 = 56289282 / (5 + 6 + 2 + 8 + 9 + 2 + 8 + 2).

It is not an unprimeable number, because it can be changed into a prime (56289281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670069 + ... + 670152.

It is an arithmetic number, because the mean of its divisors is an integer number (8041332).

Almost surely, 256289282 is an apocalyptic number.

56289282 is an abundant number, since it is smaller than the sum of its proper divisors (72372030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56289282 is a wasteful number, since it uses less digits than its factorization.

56289282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340233.

The product of its digits is 138240, while the sum is 42.

The square root of 56289282 is about 7502.6183429520. The cubic root of 56289282 is about 383.2438870489.

The spelling of 56289282 in words is "fifty-six million, two hundred eighty-nine thousand, two hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 1340221 2680442 4020663 8041326 9381547 18763094 28144641 56289282