| Base | Representation |
|---|---|
| bin | 110010011101… |
| … | …000111101000 |
| 3 | 220212222022100 |
| 4 | 302131013220 |
| 5 | 11341221342 |
| 6 | 1151253400 |
| 7 | 220265100 |
| oct | 62350750 |
| 9 | 26788270 |
| 10 | 13226472 |
| 11 | 7514276 |
| 12 | 451a260 |
| 13 | 298131c |
| 14 | 1a84200 |
| 15 | 1263e4c |
| hex | c9d1e8 |
13226472 has 144 divisors (see below), whose sum is σ = 43748640. Its totient is φ = 3592512.
The previous prime is 13226471. The next prime is 13226497. The reversal of 13226472 is 27462231.
13226472 is a `hidden beast` number, since 13 + 2 + 2 + 647 + 2 = 666.
13226472 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13226471) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 81063 + ... + 81225.
It is an arithmetic number, because the mean of its divisors is an integer number (303810).
Almost surely, 213226472 is an apocalyptic number.
13226472 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 13226472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21874320).
13226472 is an abundant number, since it is smaller than the sum of its proper divisors (30522168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13226472 is a wasteful number, since it uses less digits than its factorization.
13226472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212 (or 198 counting only the distinct ones).
The product of its digits is 4032, while the sum is 27.
The square root of 13226472 is about 3636.8216893326. The cubic root of 13226472 is about 236.4910297304.
The spelling of 13226472 in words is "thirteen million, two hundred twenty-six thousand, four hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •