Base | Representation |
---|---|
bin | 110001011000… |
… | …011100110100 |
3 | 220100200111000 |
4 | 301120130310 |
5 | 11303221304 |
6 | 1141243300 |
7 | 215014056 |
oct | 61303464 |
9 | 26320430 |
10 | 12945204 |
11 | 7341a18 |
12 | 4403530 |
13 | 28b32ac |
14 | 1a0d8d6 |
15 | 120a939 |
hex | c58734 |
12945204 has 48 divisors (see below), whose sum is σ = 34081600. Its totient is φ = 4248288.
The previous prime is 12945203. The next prime is 12945221. The reversal of 12945204 is 40254921.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12945203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6342 + ... + 8130.
Almost surely, 212945204 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12945204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17040800).
12945204 is an abundant number, since it is smaller than the sum of its proper divisors (21136396).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12945204 is a wasteful number, since it uses less digits than its factorization.
12945204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1869 (or 1861 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 12945204 is about 3597.9444131337. The cubic root of 12945204 is about 234.8026349531.
The spelling of 12945204 in words is "twelve million, nine hundred forty-five thousand, two hundred four".
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