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285434024 = 23127280939
BaseRepresentation
bin10001000000110…
…110000010101000
3201220002112212112
4101000312002220
51041032342044
644153501452
710034102111
oct2100660250
9656075775
10285434024
11137135897
127b711888
134719ab95
1429ca1208
151a0d309e
hex110360a8

285434024 has 16 divisors (see below), whose sum is σ = 539404800. Its totient is φ = 141592752.

The previous prime is 285433999. The next prime is 285434041. The reversal of 285434024 is 420434582.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139454 + ... + 141485.

It is an arithmetic number, because the mean of its divisors is an integer number (33712800).

Almost surely, 2285434024 is an apocalyptic number.

It is an amenable number.

285434024 is a deficient number, since it is larger than the sum of its proper divisors (253970776).

285434024 is a wasteful number, since it uses less digits than its factorization.

285434024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281072 (or 281068 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 285434024 is about 16894.7928072528. The cubic root of 285434024 is about 658.4183307585.

The spelling of 285434024 in words is "two hundred eighty-five million, four hundred thirty-four thousand, twenty-four".

Divisors: 1 2 4 8 127 254 508 1016 280939 561878 1123756 2247512 35679253 71358506 142717012 285434024