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286431052 = 2223103167181
BaseRepresentation
bin10001000100101…
…001011101001100
3201221222012112111
4101010221131030
51041311243202
644231113404
710045423645
oct2104513514
9657865474
10286431052
11137756986
127bb12864
134745993b
142a0806cc
151a22d6d7
hex1112974c

286431052 has 48 divisors (see below), whose sum is σ = 534223872. Its totient is φ = 134101440.

The previous prime is 286431031. The next prime is 286431053. The reversal of 286431052 is 250134682.

It is not an unprimeable number, because it can be changed into a prime (286431053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1582402 + ... + 1582582.

It is an arithmetic number, because the mean of its divisors is an integer number (11129664).

Almost surely, 2286431052 is an apocalyptic number.

It is an amenable number.

286431052 is a deficient number, since it is larger than the sum of its proper divisors (247792820).

286431052 is a wasteful number, since it uses less digits than its factorization.

286431052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 286431052 is about 16924.2740464695. The cubic root of 286431052 is about 659.1840636317.

The spelling of 286431052 in words is "two hundred eighty-six million, four hundred thirty-one thousand, fifty-two".

Divisors: 1 2 4 23 46 92 103 167 181 206 334 362 412 668 724 2369 3841 4163 4738 7682 8326 9476 15364 16652 17201 18643 30227 34402 37286 60454 68804 74572 120908 395623 428789 695221 791246 857578 1390442 1582492 1715156 2780884 3113381 6226762 12453524 71607763 143215526 286431052