Base | Representation |
---|---|
bin | 110010100000… |
… | …101000000000 |
3 | 220220201000012 |
4 | 302200220000 |
5 | 11342201312 |
6 | 1151444052 |
7 | 220355003 |
oct | 62405000 |
9 | 26821005 |
10 | 13240832 |
11 | 7524040 |
12 | 4526628 |
13 | 2987a17 |
14 | 1a8953a |
15 | 1268322 |
hex | ca0a00 |
13240832 has 40 divisors (see below), whose sum is σ = 28873152. Its totient is φ = 6016000.
The previous prime is 13240817. The next prime is 13240837. The reversal of 13240832 is 23804231.
It is a super-3 number, since 3×132408323 (a number of 22 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13240798 and 13240807.
It is not an unprimeable number, because it can be changed into a prime (13240837) 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, 4457 + ... + 6807.
Almost surely, 213240832 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13240832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14436576).
13240832 is an abundant number, since it is smaller than the sum of its proper divisors (15632320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13240832 is an equidigital number, since it uses as much as digits as its factorization.
13240832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2380 (or 2364 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 13240832 is about 3638.7954050757. The cubic root of 13240832 is about 236.5765849943.
The spelling of 13240832 in words is "thirteen million, two hundred forty thousand, eight hundred thirty-two".
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