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285714432 = 211335167
BaseRepresentation
bin10001000001111…
…010100000000000
3201220121210112000
4101001322200000
51041120330212
644203504000
710036350453
oct2101724000
9656553460
10285714432
11137307533
127b828000
13472686c3
1429d3549a
151a13b1dc
hex1107a800

285714432 has 96 divisors (see below), whose sum is σ = 846518400. Its totient is φ = 95219712.

The previous prime is 285714421. The next prime is 285714433. The reversal of 285714432 is 234417582.

It is a happy number.

285714432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is not an unprimeable number, because it can be changed into a prime (285714433) 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, 52713 + ... + 57879.

It is an arithmetic number, because the mean of its divisors is an integer number (8817900).

Almost surely, 2285714432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285714432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423259200).

285714432 is an abundant number, since it is smaller than the sum of its proper divisors (560803968).

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

285714432 is an equidigital number, since it uses as much as digits as its factorization.

285714432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198 (or 5172 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 285714432 is about 16903.0894217596. The cubic root of 285714432 is about 658.6338684152.

It can be divided in two parts, 285714 and 432, that added together give a triangular number (286146 = T756).

The spelling of 285714432 in words is "two hundred eighty-five million, seven hundred fourteen thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 512 576 768 864 1024 1152 1536 1728 2048 2304 3072 3456 4608 5167 6144 6912 9216 10334 13824 15501 18432 20668 27648 31002 41336 46503 55296 62004 82672 93006 124008 139509 165344 186012 248016 279018 330688 372024 496032 558036 661376 744048 992064 1116072 1322752 1488096 1984128 2232144 2645504 2976192 3968256 4464288 5291008 5952384 7936512 8928576 10582016 11904768 15873024 17857152 23809536 31746048 35714304 47619072 71428608 95238144 142857216 285714432