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228484488 = 233171035437
BaseRepresentation
bin11011001111001…
…10010110001000
3120220221012210110
431213212112020
5431443000423
634401114320
75443041351
oct1547462610
9526835713
10228484488
11107a78861
12646289a0
133844b52b
14224b8d28
15150d4193
hexd9e6588

228484488 has 64 divisors (see below), whose sum is σ = 610796160. Its totient is φ = 70972416.

The previous prime is 228484453. The next prime is 228484541. The reversal of 228484488 is 884484822.

228484488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2284844882 = 104410322513244288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 39306 + ... + 44742.

It is an arithmetic number, because the mean of its divisors is an integer number (9543690).

Almost surely, 2228484488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228484488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305398080).

228484488 is an abundant number, since it is smaller than the sum of its proper divisors (382311672).

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

228484488 is a wasteful number, since it uses less digits than its factorization.

228484488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566 (or 5562 counting only the distinct ones).

The product of its digits is 1048576, while the sum is 48.

The square root of 228484488 is about 15115.7033577667. The cubic root of 228484488 is about 611.3438865324.

The spelling of 228484488 in words is "two hundred twenty-eight million, four hundred eighty-four thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 103 136 204 206 309 408 412 618 824 1236 1751 2472 3502 5253 5437 7004 10506 10874 14008 16311 21012 21748 32622 42024 43496 65244 92429 130488 184858 277287 369716 554574 560011 739432 1109148 1120022 1680033 2218296 2240044 3360066 4480088 6720132 9520187 13440264 19040374 28560561 38080748 57121122 76161496 114242244 228484488