Base | Representation |
---|---|
bin | 110010011110… |
… | …011100111101 |
3 | 220220020210121 |
4 | 302132130331 |
5 | 11341410213 |
6 | 1151334541 |
7 | 220320031 |
oct | 62363475 |
9 | 26806717 |
10 | 13231933 |
11 | 7518390 |
12 | 4521451 |
13 | 2983960 |
14 | 1a861c1 |
15 | 126588d |
hex | c9e73d |
13231933 has 16 divisors (see below), whose sum is σ = 16462656. Its totient is φ = 10448640.
The previous prime is 13231931. The next prime is 13231949. The reversal of 13231933 is 33913231.
It is a cyclic number.
It is not a de Polignac number, because 13231933 - 21 = 13231931 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13231898 and 13231907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13231931) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291 + ... + 5152.
It is an arithmetic number, because the mean of its divisors is an integer number (1028916).
Almost surely, 213231933 is an apocalyptic number.
13231933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13231933 is a deficient number, since it is larger than the sum of its proper divisors (3230723).
13231933 is a wasteful number, since it uses less digits than its factorization.
13231933 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5484.
The product of its digits is 1458, while the sum is 25.
The square root of 13231933 is about 3637.5724047777. The cubic root of 13231933 is about 236.5235730473.
It can be divided in two parts, 132 and 31933, that multiplied together give a triangular number (4215156 = T2903).
The spelling of 13231933 in words is "thirteen million, two hundred thirty-one thousand, nine hundred thirty-three".
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