Base | Representation |
---|---|
bin | 110001100010101… |
… | …000001011011111 |
3 | 2010220222100121210 |
4 | 301202220023133 |
5 | 3200234123210 |
6 | 214250355503 |
7 | 26411516034 |
oct | 6142501337 |
9 | 2126870553 |
10 | 831161055 |
11 | 39719466a |
12 | 1b242bb93 |
13 | 10327349a |
14 | 7c55b38b |
15 | 4ce7ee20 |
hex | 318a82df |
831161055 has 16 divisors (see below), whose sum is σ = 1334196864. Its totient is φ = 441839520.
The previous prime is 831161047. The next prime is 831161069. The reversal of 831161055 is 550161138.
831161055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 831161055 - 23 = 831161047 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85641 + ... + 94850.
It is an arithmetic number, because the mean of its divisors is an integer number (83387304).
Almost surely, 2831161055 is an apocalyptic number.
831161055 is a deficient number, since it is larger than the sum of its proper divisors (503035809).
831161055 is a wasteful number, since it uses less digits than its factorization.
831161055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180806.
The product of its (nonzero) digits is 3600, while the sum is 30.
The square root of 831161055 is about 28829.8639434875. The cubic root of 831161055 is about 940.2176404910.
The spelling of 831161055 in words is "eight hundred thirty-one million, one hundred sixty-one thousand, fifty-five".
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