Base | Representation |
---|---|
bin | 110011000100… |
… | …110001011101 |
3 | 221012020002221 |
4 | 303010301131 |
5 | 11411421033 |
6 | 1154545341 |
7 | 221542450 |
oct | 63046135 |
9 | 27166087 |
10 | 13388893 |
11 | 7615301 |
12 | 4598251 |
13 | 2a0a22b |
14 | 1ac7497 |
15 | 129712d |
hex | cc4c5d |
13388893 has 8 divisors (see below), whose sum is σ = 15474240. Its totient is φ = 11346720.
The previous prime is 13388887. The next prime is 13388899. The reversal of 13388893 is 39888331.
It is a happy number.
13388893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (13388887) and next prime (13388899).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13388893 - 29 = 13388381 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13388899) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10123 + ... + 11368.
It is an arithmetic number, because the mean of its divisors is an integer number (1934280).
Almost surely, 213388893 is an apocalyptic number.
It is an amenable number.
13388893 is a deficient number, since it is larger than the sum of its proper divisors (2085347).
13388893 is an equidigital number, since it uses as much as digits as its factorization.
13388893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21587.
The product of its digits is 124416, while the sum is 43.
The square root of 13388893 is about 3659.0836284513. The cubic root of 13388893 is about 237.4551302123.
The spelling of 13388893 in words is "thirteen million, three hundred eighty-eight thousand, eight hundred ninety-three".
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