Base | Representation |
---|---|
bin | 110011010000… |
… | …110001010000 |
3 | 221021201111220 |
4 | 303100301100 |
5 | 11420004112 |
6 | 1200005040 |
7 | 222135636 |
oct | 63206120 |
9 | 27251456 |
10 | 13438032 |
11 | 7649213 |
12 | 4600780 |
13 | 2a266ca |
14 | 1adb356 |
15 | 12a698c |
hex | cd0c50 |
13438032 has 40 divisors (see below), whose sum is σ = 35143584. Its totient is φ = 4424064.
The previous prime is 13438031. The next prime is 13438039. The reversal of 13438032 is 23083431.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 13437993 and 13438011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13438031) 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, 2298 + ... + 5670.
Almost surely, 213438032 is an apocalyptic number.
13438032 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 13438032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17571792).
13438032 is an abundant number, since it is smaller than the sum of its proper divisors (21705552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13438032 is a wasteful number, since it uses less digits than its factorization.
13438032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3467 (or 3461 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 13438032 is about 3665.7921381333. The cubic root of 13438032 is about 237.7452727441.
The spelling of 13438032 in words is "thirteen million, four hundred thirty-eight thousand, thirty-two".
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