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229115900 = 225213176243
BaseRepresentation
bin11011010100000…
…00011111111100
3120222010021221002
431222000133330
5432123202100
634422425432
75451311246
oct1552003774
9528107832
10229115900
1110836a192
1264892278
133860ca50
1422601096
15151ab2d5
hexda807fc

229115900 has 36 divisors (see below), whose sum is σ = 535429272. Its totient is φ = 84596160.

The previous prime is 229115899. The next prime is 229115917. The reversal of 229115900 is 9511922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86822 + ... + 89421.

Almost surely, 2229115900 is an apocalyptic number.

229115900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229115900 is an abundant number, since it is smaller than the sum of its proper divisors (306313372).

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

229115900 is a wasteful number, since it uses less digits than its factorization.

229115900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176270 (or 176263 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 229115900 is about 15136.5749098004. The cubic root of 229115900 is about 611.9065138362.

The spelling of 229115900 in words is "two hundred twenty-nine million, one hundred fifteen thousand, nine hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 176243 352486 704972 881215 1762430 2291159 3524860 4406075 4582318 8812150 9164636 11455795 17624300 22911590 45823180 57278975 114557950 229115900