Base | Representation |
---|---|
bin | 110000000110… |
… | …011101100100 |
3 | 212201121211002 |
4 | 300012131210 |
5 | 11212000010 |
6 | 1130132432 |
7 | 212115020 |
oct | 60063544 |
9 | 25647732 |
10 | 12609380 |
11 | 7132683 |
12 | 4281118 |
13 | 27c6494 |
14 | 1963380 |
15 | 11911a5 |
hex | c06764 |
12609380 has 24 divisors (see below), whose sum is σ = 30262848. Its totient is φ = 4323168.
The previous prime is 12609367. The next prime is 12609413. The reversal of 12609380 is 8390621.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44894 + ... + 45173.
It is an arithmetic number, because the mean of its divisors is an integer number (1260952).
Almost surely, 212609380 is an apocalyptic number.
12609380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12609380 is an abundant number, since it is smaller than the sum of its proper divisors (17653468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12609380 is a wasteful number, since it uses less digits than its factorization.
12609380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90083 (or 90081 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 12609380 is about 3550.9688818687. The cubic root of 12609380 is about 232.7544060716.
The spelling of 12609380 in words is "twelve million, six hundred nine thousand, three hundred eighty".
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