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286323264 = 26322961281
BaseRepresentation
bin10001000100001…
…111001001000000
3201221202201200100
4101010033021000
51041244321024
644224522400
710044464463
oct2104171100
9657681610
10286323264
111376929a7
127ba80400
134741c866
142a0532da
151a20b7c9
hex1110f240

286323264 has 168 divisors, whose sum is σ = 865982520. Its totient is φ = 90316800.

The previous prime is 286323229. The next prime is 286323281. The reversal of 286323264 is 462323682.

It can be written as a sum of positive squares in 4 ways, for example, as 10497600 + 275825664 = 3240^2 + 16608^2 .

It is a super-2 number, since 2×2863232642 = 163962023015227392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1018804 + ... + 1019084.

Almost surely, 2286323264 is an apocalyptic number.

286323264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286323264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432991260).

286323264 is an abundant number, since it is smaller than the sum of its proper divisors (579659256).

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

286323264 is a wasteful number, since it uses less digits than its factorization.

286323264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 376 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 286323264 is about 16921.0893266362. The cubic root of 286323264 is about 659.1013665384.

The spelling of 286323264 in words is "two hundred eighty-six million, three hundred twenty-three thousand, two hundred sixty-four".