Base | Representation |
---|---|
bin | 110001011111111… |
… | …000101010110101 |
3 | 2010212121211111020 |
4 | 301133320222311 |
5 | 3200043122130 |
6 | 214223131353 |
7 | 26402433120 |
oct | 6137705265 |
9 | 2125554436 |
10 | 830442165 |
11 | 396843543 |
12 | 1b2143b59 |
13 | 1030811c7 |
14 | 7c4113b7 |
15 | 4cd8be10 |
hex | 317f8ab5 |
830442165 has 32 divisors (see below), whose sum is σ = 1525198080. Its totient is φ = 377961984.
The previous prime is 830442161. The next prime is 830442181. The reversal of 830442165 is 561244038.
It is not a de Polignac number, because 830442165 - 22 = 830442161 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (830442161) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6777 + ... + 41313.
It is an arithmetic number, because the mean of its divisors is an integer number (47662440).
Almost surely, 2830442165 is an apocalyptic number.
It is an amenable number.
830442165 is a deficient number, since it is larger than the sum of its proper divisors (694755915).
830442165 is a wasteful number, since it uses less digits than its factorization.
830442165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34781.
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 830442165 is about 28817.3934456259. The cubic root of 830442165 is about 939.9464904654.
The spelling of 830442165 in words is "eight hundred thirty million, four hundred forty-two thousand, one hundred sixty-five".
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