Base | Representation |
---|---|
bin | 110001100001111… |
… | …110101101011000 |
3 | 2010220122201121120 |
4 | 301201332231120 |
5 | 3200213204232 |
6 | 214243005240 |
7 | 26410210563 |
oct | 6141765530 |
9 | 2126581546 |
10 | 830991192 |
11 | 397088a89 |
12 | 1b2369820 |
13 | 103214085 |
14 | 7c5154da |
15 | 4ce4992c |
hex | 3187eb58 |
830991192 has 16 divisors (see below), whose sum is σ = 2077478040. Its totient is φ = 276997056.
The previous prime is 830991179. The next prime is 830991197. The reversal of 830991192 is 291199038.
It is a super-2 number, since 2×8309911922 = 1381092722363161728, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (830991197) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17312293 + ... + 17312340.
Almost surely, 2830991192 is an apocalyptic number.
It is an amenable number.
830991192 is an abundant number, since it is smaller than the sum of its proper divisors (1246486848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
830991192 is a wasteful number, since it uses less digits than its factorization.
830991192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34624642 (or 34624638 counting only the distinct ones).
The product of its (nonzero) digits is 34992, while the sum is 42.
The square root of 830991192 is about 28826.9178373270. The cubic root of 830991192 is about 940.1535858897.
The spelling of 830991192 in words is "eight hundred thirty million, nine hundred ninety-one thousand, one hundred ninety-two".
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