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231458424 = 2339644101
BaseRepresentation
bin11011100101111…
…00011001111000
3121010112022021020
431302330121320
5433223132144
634544542440
75510235621
oct1562743170
9533468236
10231458424
1110971a15a
1265621a20
1338c50062
1422a50a48
15154c0419
hexdcbc678

231458424 has 16 divisors (see below), whose sum is σ = 578646120. Its totient is φ = 77152800.

The previous prime is 231458413. The next prime is 231458443. The reversal of 231458424 is 424854132.

231458424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 4822027 + ... + 4822074.

Almost surely, 2231458424 is an apocalyptic number.

231458424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231458424 is an abundant number, since it is smaller than the sum of its proper divisors (347187696).

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

231458424 is a wasteful number, since it uses less digits than its factorization.

231458424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644110 (or 9644106 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 231458424 is about 15213.7577212206. The cubic root of 231458424 is about 613.9848624193.

The spelling of 231458424 in words is "two hundred thirty-one million, four hundred fifty-eight thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 9644101 19288202 28932303 38576404 57864606 77152808 115729212 231458424