Base | Representation |
---|---|
bin | 110011000010… |
… | …101101010000 |
3 | 221011210111120 |
4 | 303002231100 |
5 | 11411133212 |
6 | 1154442240 |
7 | 221506002 |
oct | 63025520 |
9 | 27153446 |
10 | 13380432 |
11 | 7609a0a |
12 | 4593380 |
13 | 2a06420 |
14 | 1ac4372 |
15 | 129488c |
hex | cc2b50 |
13380432 has 80 divisors (see below), whose sum is σ = 38205888. Its totient is φ = 4008960.
The previous prime is 13380413. The next prime is 13380461. The reversal of 13380432 is 23408331.
It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25323 + ... + 25845.
Almost surely, 213380432 is an apocalyptic number.
13380432 is a gapful number since it is divisible by the number (12) 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 13380432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19102944).
13380432 is an abundant number, since it is smaller than the sum of its proper divisors (24825456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13380432 is a wasteful number, since it uses less digits than its factorization.
13380432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 588 (or 582 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 13380432 is about 3657.9272819453. The cubic root of 13380432 is about 237.4051004048.
Adding to 13380432 its reverse (23408331), we get a palindrome (36788763).
The spelling of 13380432 in words is "thirteen million, three hundred eighty thousand, four hundred thirty-two".
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