| Base | Representation |
|---|---|
| bin | 110010001100… |
| … | …100000100000 |
| 3 | 220202111222100 |
| 4 | 302030200200 |
| 5 | 11332032212 |
| 6 | 1150010400 |
| 7 | 216562530 |
| oct | 62144040 |
| 9 | 26674870 |
| 10 | 13158432 |
| 11 | 7478141 |
| 12 | 44a6a00 |
| 13 | 2959371 |
| 14 | 1a674c0 |
| 15 | 124dbdc |
| hex | c8c820 |
13158432 has 144 divisors (see below), whose sum is σ = 43872192. Its totient is φ = 3663360.
The previous prime is 13158413. The next prime is 13158433. The reversal of 13158432 is 23485131.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (144).
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
Its product of digits (2880) is a multiple of the sum of its prime divisors (180).
It is a junction number, because it is equal to n+sod(n) for n = 13158396 and 13158405.
It is not an unprimeable number, because it can be changed into a prime (13158433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122923 + ... + 123029.
It is an arithmetic number, because the mean of its divisors is an integer number (304668).
Almost surely, 213158432 is an apocalyptic number.
13158432 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 13158432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21936096).
13158432 is an abundant number, since it is smaller than the sum of its proper divisors (30713760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13158432 is a wasteful number, since it uses less digits than its factorization.
13158432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 191 (or 180 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 13158432 is about 3627.4553064097. The cubic root of 13158432 is about 236.0848110385.
The spelling of 13158432 in words is "thirteen million, one hundred fifty-eight thousand, four hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •