Base | Representation |
---|---|
bin | 1101011101111… |
… | …01010001011010 |
3 | 21212120121200010 |
4 | 12232331101122 |
5 | 212410113030 |
6 | 15113222350 |
7 | 2541153012 |
oct | 656752132 |
9 | 255517603 |
10 | 112972890 |
11 | 58852228 |
12 | 31a019b6 |
13 | 1a536584 |
14 | 1100ac42 |
15 | 9db86b0 |
hex | 6bbd45a |
112972890 has 32 divisors (see below), whose sum is σ = 271771200. Its totient is φ = 30055424.
The previous prime is 112972883. The next prime is 112972901. The reversal of 112972890 is 98279211.
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, 9277 + ... + 17663.
It is an arithmetic number, because the mean of its divisors is an integer number (8492850).
Almost surely, 2112972890 is an apocalyptic number.
112972890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
112972890 is an abundant number, since it is smaller than the sum of its proper divisors (158798310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
112972890 is a wasteful number, since it uses less digits than its factorization.
112972890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8846.
The product of its (nonzero) digits is 18144, while the sum is 39.
The square root of 112972890 is about 10628.8705891078. The cubic root of 112972890 is about 483.4201471752.
The spelling of 112972890 in words is "one hundred twelve million, nine hundred seventy-two thousand, eight hundred ninety".
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