Base | Representation |
---|---|
bin | 110001110011… |
… | …110000010100 |
3 | 220120100220020 |
4 | 301303300110 |
5 | 11320311134 |
6 | 1143505140 |
7 | 215661120 |
oct | 61636024 |
9 | 26510806 |
10 | 13057044 |
11 | 7408a50 |
12 | 44581b0 |
13 | 2922180 |
14 | 1a3c580 |
15 | 122db49 |
hex | c73c14 |
13057044 has 96 divisors (see below), whose sum is σ = 40943616. Its totient is φ = 3127680.
The previous prime is 13057043. The next prime is 13057049. The reversal of 13057044 is 44075031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13057043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11469 + ... + 12555.
It is an arithmetic number, because the mean of its divisors is an integer number (426496).
Almost surely, 213057044 is an apocalyptic number.
13057044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13057044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20471808).
13057044 is an abundant number, since it is smaller than the sum of its proper divisors (27886572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13057044 is a wasteful number, since it uses less digits than its factorization.
13057044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1125 (or 1123 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 13057044 is about 3613.4531960439. The cubic root of 13057044 is about 235.4768888387.
The spelling of 13057044 in words is "thirteen million, fifty-seven thousand, forty-four".
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