Base | Representation |
---|---|
bin | 10111110100111… |
… | …11100110000100 |
3 | 111221010010010021 |
4 | 23322133212010 |
5 | 402132230030 |
6 | 31500104524 |
7 | 4644656452 |
oct | 1372374604 |
9 | 457103107 |
10 | 199883140 |
11 | a2913186 |
12 | 56b35144 |
13 | 32546062 |
14 | 1c7919d2 |
15 | 1283497a |
hex | be9f984 |
199883140 has 48 divisors (see below), whose sum is σ = 429876720. Its totient is φ = 78041600.
The previous prime is 199883129. The next prime is 199883171. The reversal of 199883140 is 41388991.
It can be written as a sum of positive squares in 8 ways, for example, as 56644 + 199826496 = 238^2 + 14136^2 .
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, 284790 + ... + 285490.
It is an arithmetic number, because the mean of its divisors is an integer number (8955765).
Almost surely, 2199883140 is an apocalyptic number.
199883140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
199883140 is an abundant number, since it is smaller than the sum of its proper divisors (229993580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
199883140 is a wasteful number, since it uses less digits than its factorization.
199883140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1032 (or 1030 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 43.
The square root of 199883140 is about 14138.0033951050. The cubic root of 199883140 is about 584.6896252138.
The spelling of 199883140 in words is "one hundred ninety-nine million, eight hundred eighty-three thousand, one hundred forty".
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