Base | Representation |
---|---|
bin | 10110101100010… |
… | …101111000000000 |
3 | 222112101201100022 |
4 | 112230111320000 |
5 | 1234431111223 |
6 | 101440113012 |
7 | 12302042453 |
oct | 2654257000 |
9 | 875351308 |
10 | 380722688 |
11 | 1859a9655 |
12 | a7605768 |
13 | 60b520c8 |
14 | 387c749a |
15 | 23656ac8 |
hex | 16b15e00 |
380722688 has 40 divisors (see below), whose sum is σ = 778437528. Its totient is φ = 185923584.
The previous prime is 380722669. The next prime is 380722729. The reversal of 380722688 is 886227083.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13370 + ... + 30662.
Almost surely, 2380722688 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 380722688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389218764).
380722688 is an abundant number, since it is smaller than the sum of its proper divisors (397714840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380722688 is an equidigital number, since it uses as much as digits as its factorization.
380722688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17354 (or 17338 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 44.
The square root of 380722688 is about 19512.1164408170. The cubic root of 380722688 is about 724.7745239386.
The spelling of 380722688 in words is "three hundred eighty million, seven hundred twenty-two thousand, six hundred eighty-eight".
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