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231492284 = 22142940499
BaseRepresentation
bin11011100110001…
…00101010111100
3121010121000201022
431303010222330
5433230223114
634545403312
75510436422
oct1563045274
9533530638
10231492284
11109742641
1265639538
1338c625aa
1422a5d112
15154ca48e
hexdcc4abc

231492284 has 12 divisors (see below), whose sum is σ = 405405000. Its totient is φ = 115662288.

The previous prime is 231492269. The next prime is 231492299. The reversal of 231492284 is 482294132.

It is an interprime number because it is at equal distance from previous prime (231492269) and next prime (231492299).

It is a congruent number.

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, 14534 + ... + 25965.

It is an arithmetic number, because the mean of its divisors is an integer number (33783750).

Almost surely, 2231492284 is an apocalyptic number.

It is an amenable number.

231492284 is a deficient number, since it is larger than the sum of its proper divisors (173912716).

231492284 is a wasteful number, since it uses less digits than its factorization.

231492284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41932 (or 41930 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 231492284 is about 15214.8704890972. The cubic root of 231492284 is about 614.0148008613.

The spelling of 231492284 in words is "two hundred thirty-one million, four hundred ninety-two thousand, two hundred eighty-four".

Divisors: 1 2 4 1429 2858 5716 40499 80998 161996 57873071 115746142 231492284