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285359612 = 22712910007
BaseRepresentation
bin10001000000100…
…011110111111100
3201212221202210112
4101000203313330
51041023001422
644152125152
710033342136
oct2100436774
9655852715
10285359612
1113709499a
127b6967b8
1347173055
1429c82056
151a0baee2
hex11023dfc

285359612 has 12 divisors (see below), whose sum is σ = 499499280. Its totient is φ = 142645536.

The previous prime is 285359611. The next prime is 285359621. The reversal of 285359612 is 216953582.

It is a self number, because there is not a number n which added to its sum of digits gives 285359612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285359611) 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, 23513 + ... + 33519.

It is an arithmetic number, because the mean of its divisors is an integer number (41624940).

Almost surely, 2285359612 is an apocalyptic number.

It is an amenable number.

285359612 is a deficient number, since it is larger than the sum of its proper divisors (214139668).

285359612 is a wasteful number, since it uses less digits than its factorization.

285359612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17140 (or 17138 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 285359612 is about 16892.5904467018. The cubic root of 285359612 is about 658.3611097326.

The spelling of 285359612 in words is "two hundred eighty-five million, three hundred fifty-nine thousand, six hundred twelve".

Divisors: 1 2 4 7129 10007 14258 20014 28516 40028 71339903 142679806 285359612