Base | Representation |
---|---|
bin | 110101001001… |
… | …101001000000 |
3 | 222012212122111 |
4 | 311021221000 |
5 | 12031324440 |
6 | 1214345104 |
7 | 226300225 |
oct | 65115100 |
9 | 28185574 |
10 | 13933120 |
11 | 7957183 |
12 | 47bb194 |
13 | 2b6ab66 |
14 | 1bc994c |
15 | 13534ea |
hex | d49a40 |
13933120 has 28 divisors (see below), whose sum is σ = 33179004. Its totient is φ = 5573120.
The previous prime is 13933109. The next prime is 13933121. The reversal of 13933120 is 2133931.
It can be written as a sum of positive squares in 2 ways, for example, as 3069504 + 10863616 = 1752^2 + 3296^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13933091 and 13933100.
It is not an unprimeable number, because it can be changed into a prime (13933121) 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, 21451 + ... + 22090.
Almost surely, 213933120 is an apocalyptic number.
13933120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13933120 is an abundant number, since it is smaller than the sum of its proper divisors (19245884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13933120 is an equidigital number, since it uses as much as digits as its factorization.
13933120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43558 (or 43548 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 22.
The square root of 13933120 is about 3732.7094716841. The cubic root of 13933120 is about 240.6298271928.
The spelling of 13933120 in words is "thirteen million, nine hundred thirty-three thousand, one hundred twenty".
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