Base | Representation |
---|---|
bin | 10110101100111… |
… | …010010001110110 |
3 | 222112200021212220 |
4 | 112230322101312 |
5 | 1240000344143 |
6 | 101443223210 |
7 | 12303233256 |
oct | 2654722166 |
9 | 875607786 |
10 | 380871798 |
11 | 185aa068a |
12 | a7677b06 |
13 | 60ba4c38 |
14 | 38825966 |
15 | 23685d83 |
hex | 16b3a476 |
380871798 has 32 divisors (see below), whose sum is σ = 773122560. Its totient is φ = 125068320.
The previous prime is 380871779. The next prime is 380871809. The reversal of 380871798 is 897178083.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 380871798.
It is a congruent number.
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, 372528 + ... + 373548.
It is an arithmetic number, because the mean of its divisors is an integer number (24160080).
Almost surely, 2380871798 is an apocalyptic number.
380871798 is an abundant number, since it is smaller than the sum of its proper divisors (392250762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380871798 is a wasteful number, since it uses less digits than its factorization.
380871798 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1892.
The product of its (nonzero) digits is 677376, while the sum is 51.
The square root of 380871798 is about 19515.9370259283. The cubic root of 380871798 is about 724.8691308770.
The spelling of 380871798 in words is "three hundred eighty million, eight hundred seventy-one thousand, seven hundred ninety-eight".
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