Base | Representation |
---|---|
bin | 101111100010… |
… | …010101001100 |
3 | 212110002210220 |
4 | 233202111030 |
5 | 11142231023 |
6 | 1123031340 |
7 | 210630402 |
oct | 57422514 |
9 | 25402726 |
10 | 12461388 |
11 | 7041475 |
12 | 420b550 |
13 | 2774004 |
14 | 1925472 |
15 | 11623e3 |
hex | be254c |
12461388 has 12 divisors (see below), whose sum is σ = 29076600. Its totient is φ = 4153792.
The previous prime is 12461369. The next prime is 12461389. The reversal of 12461388 is 88316421.
12461388 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 tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (12461389) 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, 519213 + ... + 519236.
It is an arithmetic number, because the mean of its divisors is an integer number (2423050).
Almost surely, 212461388 is an apocalyptic number.
It is an amenable number.
12461388 is an abundant number, since it is smaller than the sum of its proper divisors (16615212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12461388 is a wasteful number, since it uses less digits than its factorization.
12461388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1038456 (or 1038454 counting only the distinct ones).
The product of its digits is 9216, while the sum is 33.
The square root of 12461388 is about 3530.0691211363. The cubic root of 12461388 is about 231.8402338394.
The spelling of 12461388 in words is "twelve million, four hundred sixty-one thousand, three hundred eighty-eight".
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