Base | Representation |
---|---|
bin | 101111110100… |
… | …110110111000 |
3 | 212120221220102 |
4 | 233310312320 |
5 | 11202143042 |
6 | 1124414532 |
7 | 211364546 |
oct | 57646670 |
9 | 25527812 |
10 | 12537272 |
11 | 7093490 |
12 | 4247448 |
13 | 279c707 |
14 | 1944d96 |
15 | 1179b32 |
hex | bf4db8 |
12537272 has 16 divisors (see below), whose sum is σ = 25644600. Its totient is φ = 5698720.
The previous prime is 12537271. The next prime is 12537311. The reversal of 12537272 is 27273521.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12537271) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71147 + ... + 71322.
Almost surely, 212537272 is an apocalyptic number.
It is an amenable number.
12537272 is an abundant number, since it is smaller than the sum of its proper divisors (13107328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12537272 is a wasteful number, since it uses less digits than its factorization.
12537272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142486 (or 142482 counting only the distinct ones).
The product of its digits is 5880, while the sum is 29.
The square root of 12537272 is about 3540.8010393130. The cubic root of 12537272 is about 232.3098811924.
The spelling of 12537272 in words is "twelve million, five hundred thirty-seven thousand, two hundred seventy-two".
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