Base | Representation |
---|---|
bin | 110100011000… |
… | …010101111000 |
3 | 221211121122200 |
4 | 310120111320 |
5 | 12003344232 |
6 | 1210150200 |
7 | 224466426 |
oct | 64302570 |
9 | 27747580 |
10 | 13731192 |
11 | 78294a2 |
12 | 4722360 |
13 | 2ac9c87 |
14 | 1b76116 |
15 | 131377c |
hex | d18578 |
13731192 has 24 divisors (see below), whose sum is σ = 37188840. Its totient is φ = 4577040.
The previous prime is 13731173. The next prime is 13731197. The reversal of 13731192 is 29113731.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13731197) 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 5 ways as a sum of consecutive naturals, for example, 95284 + ... + 95427.
It is an arithmetic number, because the mean of its divisors is an integer number (1549535).
Almost surely, 213731192 is an apocalyptic number.
13731192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13731192 is an abundant number, since it is smaller than the sum of its proper divisors (23457648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13731192 is a wasteful number, since it uses less digits than its factorization.
13731192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190723 (or 190716 counting only the distinct ones).
The product of its digits is 1134, while the sum is 27.
The square root of 13731192 is about 3705.5623055078. The cubic root of 13731192 is about 239.4617102532.
It can be divided in two parts, 137 and 31192, that added together give a square (31329 = 1772).
The spelling of 13731192 in words is "thirteen million, seven hundred thirty-one thousand, one hundred ninety-two".
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