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230112160 = 2556732137
BaseRepresentation
bin11011011011100…
…11101110100000
3121000222220112121
431231303232200
5432402042120
634500034024
75462630635
oct1555635640
9530886477
10230112160
1110898a743
1265092914
133889b355
14227c018c
15153065aa
hexdb73ba0

230112160 has 48 divisors (see below), whose sum is σ = 544702536. Its totient is φ = 91865088.

The previous prime is 230112149. The next prime is 230112161. The reversal of 230112160 is 61211032.

It can be written as a sum of positive squares in 4 ways, for example, as 103144336 + 126967824 = 10156^2 + 11268^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (230112161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106612 + ... + 108748.

Almost surely, 2230112160 is an apocalyptic number.

230112160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230112160 is an abundant number, since it is smaller than the sum of its proper divisors (314590376).

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

230112160 is a wasteful number, since it uses less digits than its factorization.

230112160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 230112160 is about 15169.4482430970. The cubic root of 230112160 is about 612.7921449590.

Adding to 230112160 its reverse (61211032), we get a palindrome (291323192).

The spelling of 230112160 in words is "two hundred thirty million, one hundred twelve thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 673 1346 2137 2692 3365 4274 5384 6730 8548 10685 10768 13460 17096 21370 21536 26920 34192 42740 53840 68384 85480 107680 170960 341920 1438201 2876402 5752804 7191005 11505608 14382010 23011216 28764020 46022432 57528040 115056080 230112160