Base | Representation |
---|---|
bin | 110001100000000… |
… | …101010111001011 |
3 | 2010212201110210210 |
4 | 301200011113023 |
5 | 3200101303110 |
6 | 214224212203 |
7 | 26403040521 |
oct | 6140052713 |
9 | 2125643723 |
10 | 830494155 |
11 | 396879607 |
12 | 1b216a063 |
13 | 10309ba7a |
14 | 7c426311 |
15 | 4cd9c520 |
hex | 318055cb |
830494155 has 32 divisors (see below), whose sum is σ = 1376585280. Its totient is φ = 427243520.
The previous prime is 830494139. The next prime is 830494163. The reversal of 830494155 is 551494038.
It is not a de Polignac number, because 830494155 - 24 = 830494139 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47149 + ... + 62321.
It is an arithmetic number, because the mean of its divisors is an integer number (43018290).
Almost surely, 2830494155 is an apocalyptic number.
830494155 is a deficient number, since it is larger than the sum of its proper divisors (546091125).
830494155 is a wasteful number, since it uses less digits than its factorization.
830494155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15311.
The product of its (nonzero) digits is 86400, while the sum is 39.
The square root of 830494155 is about 28818.2954908856. The cubic root of 830494155 is about 939.9661052363.
The spelling of 830494155 in words is "eight hundred thirty million, four hundred ninety-four thousand, one hundred fifty-five".
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