Base | Representation |
---|---|
bin | 110011001111… |
… | …011000111100 |
3 | 221021102202120 |
4 | 303033120330 |
5 | 11414314010 |
6 | 1155522540 |
7 | 222113313 |
oct | 63173074 |
9 | 27242676 |
10 | 13432380 |
11 | 7644a45 |
12 | 45b9450 |
13 | 2a23c70 |
14 | 1ad927a |
15 | 12a4e70 |
hex | ccf63c |
13432380 has 96 divisors (see below), whose sum is σ = 42928704. Its totient is φ = 3108864.
The previous prime is 13432337. The next prime is 13432387. The reversal of 13432380 is 8323431.
It is a self number, because there is not a number n which added to its sum of digits gives 13432380.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13432387) 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, 12754 + ... + 13766.
It is an arithmetic number, because the mean of its divisors is an integer number (447174).
Almost surely, 213432380 is an apocalyptic number.
13432380 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 13432380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21464352).
13432380 is an abundant number, since it is smaller than the sum of its proper divisors (29496324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13432380 is a wasteful number, since it uses less digits than its factorization.
13432380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1055 (or 1053 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 13432380 is about 3665.0211459144. The cubic root of 13432380 is about 237.7119363965.
The spelling of 13432380 in words is "thirteen million, four hundred thirty-two thousand, three hundred eighty".
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