| Base | Representation |
|---|---|
| bin | 110010111100… |
| … | …110011010000 |
| 3 | 221010120022120 |
| 4 | 302330303100 |
| 5 | 11404344430 |
| 6 | 1154134240 |
| 7 | 221345322 |
| oct | 62746320 |
| 9 | 27116276 |
| 10 | 13356240 |
| 11 | 75a2817 |
| 12 | 4581380 |
| 13 | 29c8401 |
| 14 | 1ab9612 |
| 15 | 128c610 |
| hex | cbccd0 |
13356240 has 160 divisors (see below), whose sum is σ = 45532800. Its totient is φ = 3225600.
The previous prime is 13356229. The next prime is 13356241. The reversal of 13356240 is 4265331.
It is a happy number.
13356240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 13356240.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13356241) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132190 + ... + 132290.
It is an arithmetic number, because the mean of its divisors is an integer number (284580).
Almost surely, 213356240 is an apocalyptic number.
13356240 is a gapful number since it is divisible by the number (10) 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 13356240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22766400).
13356240 is an abundant number, since it is smaller than the sum of its proper divisors (32176560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13356240 is a wasteful number, since it uses less digits than its factorization.
13356240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165 (or 159 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 13356240 is about 3654.6189951895. The cubic root of 13356240 is about 237.2619368908.
Subtracting from 13356240 its reverse (4265331), we obtain a palindrome (9090909).
The spelling of 13356240 in words is "thirteen million, three hundred fifty-six thousand, two hundred forty".
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