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285742296 = 23337188983
BaseRepresentation
bin10001000010000…
…001010011011000
3201220200012202000
4101002001103120
51041122223141
644204241000
710036524630
oct2102012330
9656605660
10285742296
11137326464
127b840160
13472782a8
1429d416c0
151a1445b6
hex110814d8

285742296 has 64 divisors (see below), whose sum is σ = 907123200. Its totient is φ = 81640224.

The previous prime is 285742279. The next prime is 285742313. The reversal of 285742296 is 692247582.

It is an interprime number because it is at equal distance from previous prime (285742279) and next prime (285742313).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92980 + ... + 96003.

It is an arithmetic number, because the mean of its divisors is an integer number (14173800).

Almost surely, 2285742296 is an apocalyptic number.

It is an amenable number.

285742296 is an abundant number, since it is smaller than the sum of its proper divisors (621380904).

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

285742296 is a wasteful number, since it uses less digits than its factorization.

285742296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189005 (or 188995 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 285742296 is about 16903.9136296894. The cubic root of 285742296 is about 658.6552785780.

The spelling of 285742296 in words is "two hundred eighty-five million, seven hundred forty-two thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 168 189 216 252 378 504 756 1512 188983 377966 566949 755932 1133898 1322881 1511864 1700847 2267796 2645762 3401694 3968643 4535592 5102541 5291524 6803388 7937286 10205082 10583048 11905929 13606776 15874572 20410164 23811858 31749144 35717787 40820328 47623716 71435574 95247432 142871148 285742296