Base | Representation |
---|---|
bin | 110001001110… |
… | …011000001100 |
3 | 220021120220000 |
4 | 301032120030 |
5 | 11300411243 |
6 | 1140324300 |
7 | 214452561 |
oct | 61163014 |
9 | 26246800 |
10 | 12903948 |
11 | 7313a22 |
12 | 43a3690 |
13 | 289a595 |
14 | 19dc868 |
15 | 11ed5d3 |
hex | c4e60c |
12903948 has 30 divisors (see below), whose sum is σ = 33734316. Its totient is φ = 4301208.
The previous prime is 12903941. The next prime is 12903959. The reversal of 12903948 is 84930921.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (12903941) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19590 + ... + 20237.
Almost surely, 212903948 is an apocalyptic number.
12903948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
12903948 is an abundant number, since it is smaller than the sum of its proper divisors (20830368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12903948 is a wasteful number, since it uses less digits than its factorization.
12903948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39843 (or 39832 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 12903948 is about 3592.2065642165. The cubic root of 12903948 is about 234.5529330424.
The spelling of 12903948 in words is "twelve million, nine hundred three thousand, nine hundred forty-eight".
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