Base | Representation |
---|---|
bin | 101111101100… |
… | …110110101100 |
3 | 212112021221100 |
4 | 233230312230 |
5 | 11200120432 |
6 | 1124003100 |
7 | 211200150 |
oct | 57546654 |
9 | 25467840 |
10 | 12504492 |
11 | 70708a0 |
12 | 4230490 |
13 | 278a810 |
14 | 1937060 |
15 | 117007c |
hex | becdac |
12504492 has 144 divisors (see below), whose sum is σ = 42561792. Its totient is φ = 2989440.
The previous prime is 12504473. The next prime is 12504497. The reversal of 12504492 is 29440521.
It is not an unprimeable number, because it can be changed into a prime (12504497) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35863 + ... + 36209.
It is an arithmetic number, because the mean of its divisors is an integer number (295568).
Almost surely, 212504492 is an apocalyptic number.
12504492 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 12504492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21280896).
12504492 is an abundant number, since it is smaller than the sum of its proper divisors (30057300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12504492 is a wasteful number, since it uses less digits than its factorization.
12504492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 388 (or 383 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 12504492 is about 3536.1691136030. The cubic root of 12504492 is about 232.1072383740.
It can be divided in two parts, 12504 and 492, that added together give a square (12996 = 1142).
The spelling of 12504492 in words is "twelve million, five hundred four thousand, four hundred ninety-two".
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