Base | Representation |
---|---|
bin | 110001100000101… |
… | …000011000000000 |
3 | 2010212222202112101 |
4 | 301200220120000 |
5 | 3200120400233 |
6 | 214231240144 |
7 | 26404205605 |
oct | 6140503000 |
9 | 2125882471 |
10 | 830637568 |
11 | 396967332 |
12 | 1b2219054 |
13 | 10311c127 |
14 | 7c4626ac |
15 | 4cdc9c7d |
hex | 31828600 |
830637568 has 80 divisors (see below), whose sum is σ = 1721340720. Its totient is φ = 400121856.
The previous prime is 830637557. The next prime is 830637583. The reversal of 830637568 is 865736038.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3087738 + ... + 3088006.
It is an arithmetic number, because the mean of its divisors is an integer number (21516759).
Almost surely, 2830637568 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 830637568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860670360).
830637568 is an abundant number, since it is smaller than the sum of its proper divisors (890703152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
830637568 is a wasteful number, since it uses less digits than its factorization.
830637568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 487 (or 471 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 46.
The square root of 830637568 is about 28820.7836118312. The cubic root of 830637568 is about 940.0202078046.
The spelling of 830637568 in words is "eight hundred thirty million, six hundred thirty-seven thousand, five hundred sixty-eight".
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