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230022408 = 233711124471
BaseRepresentation
bin11011011010111…
…01110100001000
3121000211100102110
431231131310020
5432341204113
634454102320
75462105160
oct1555356410
9530740373
10230022408
11108929270
126504a9a0
1338869545
14227995a0
15152d9bc3
hexdb5dd08

230022408 has 64 divisors (see below), whose sum is σ = 716958720. Its totient is φ = 59745600.

The previous prime is 230022389. The next prime is 230022409. The reversal of 230022408 is 804220032.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (230022409) 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, 60388 + ... + 64083.

It is an arithmetic number, because the mean of its divisors is an integer number (11202480).

Almost surely, 2230022408 is an apocalyptic number.

230022408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

230022408 is an abundant number, since it is smaller than the sum of its proper divisors (486936312).

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

230022408 is a wasteful number, since it uses less digits than its factorization.

230022408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124498 (or 124494 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 230022408 is about 15166.4896399925. The cubic root of 230022408 is about 612.7124642898.

The spelling of 230022408 in words is "two hundred thirty million, twenty-two thousand, four hundred eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 77 84 88 132 154 168 231 264 308 462 616 924 1848 124471 248942 373413 497884 746826 871297 995768 1369181 1493652 1742594 2613891 2738362 2987304 3485188 4107543 5227782 5476724 6970376 8215086 9584267 10455564 10953448 16430172 19168534 20911128 28752801 32860344 38337068 57505602 76674136 115011204 230022408