Base | Representation |
---|---|
bin | 101111100100… |
… | …000111010010 |
3 | 212110110211100 |
4 | 233210013102 |
5 | 11142444230 |
6 | 1123125230 |
7 | 210660603 |
oct | 57440722 |
9 | 25413740 |
10 | 12468690 |
11 | 7046a03 |
12 | 4213816 |
13 | 2777430 |
14 | 1927daa |
15 | 1164660 |
hex | be41d2 |
12468690 has 48 divisors (see below), whose sum is σ = 34915608. Its totient is φ = 3068928.
The previous prime is 12468689. The next prime is 12468719. The reversal of 12468690 is 9686421.
12468690 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 can be written as a sum of positive squares in 4 ways, for example, as 4397409 + 8071281 = 2097^2 + 2841^2 .
It is a super-2 number, since 2×124686902 = 310936460632200, which contains 22 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4159 + ... + 6498.
Almost surely, 212468690 is an apocalyptic number.
12468690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12468690 is an abundant number, since it is smaller than the sum of its proper divisors (22446918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12468690 is a wasteful number, since it uses less digits than its factorization.
12468690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10683 (or 10680 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 12468690 is about 3531.1032270383. The cubic root of 12468690 is about 231.8855088075.
The spelling of 12468690 in words is "twelve million, four hundred sixty-eight thousand, six hundred ninety".
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