Base | Representation |
---|---|
bin | 110001100100000… |
… | …000100011101101 |
3 | 2010221122202012010 |
4 | 301210000203231 |
5 | 3200332214203 |
6 | 214302231433 |
7 | 26414554314 |
oct | 6144004355 |
9 | 2127582163 |
10 | 831523053 |
11 | 397411639 |
12 | 1b2585579 |
13 | 10336c19a |
14 | 7c61327b |
15 | 4d002303 |
hex | 319008ed |
831523053 has 4 divisors (see below), whose sum is σ = 1108697408. Its totient is φ = 554348700.
The previous prime is 831523051. The next prime is 831523073. The reversal of 831523053 is 350325138.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 831523053 - 21 = 831523051 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 831523053.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (831523051) 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, 138587173 + ... + 138587178.
It is an arithmetic number, because the mean of its divisors is an integer number (277174352).
Almost surely, 2831523053 is an apocalyptic number.
It is an amenable number.
831523053 is a deficient number, since it is larger than the sum of its proper divisors (277174355).
831523053 is a wasteful number, since it uses less digits than its factorization.
831523053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277174354.
The product of its (nonzero) digits is 10800, while the sum is 30.
The square root of 831523053 is about 28836.1414374392. The cubic root of 831523053 is about 940.3541192570.
The spelling of 831523053 in words is "eight hundred thirty-one million, five hundred twenty-three thousand, fifty-three".
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