Base | Representation |
---|---|
bin | 110001010101… |
… | …001101011100 |
3 | 220100000021110 |
4 | 301111031130 |
5 | 11302310212 |
6 | 1141102020 |
7 | 214630266 |
oct | 61251534 |
9 | 26300243 |
10 | 12931932 |
11 | 7332a52 |
12 | 43b7910 |
13 | 28aa240 |
14 | 1a08b36 |
15 | 1206a3c |
hex | c5535c |
12931932 has 48 divisors (see below), whose sum is σ = 34213760. Its totient is φ = 3768768.
The previous prime is 12931921. The next prime is 12931937. The reversal of 12931932 is 23913921.
It is a happy number.
12931932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 12931932.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12931937) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783 + ... + 5145.
Almost surely, 212931932 is an apocalyptic number.
12931932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12931932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17106880).
12931932 is an abundant number, since it is smaller than the sum of its proper divisors (21281828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12931932 is a wasteful number, since it uses less digits than its factorization.
12931932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4402 (or 4400 counting only the distinct ones).
The product of its digits is 2916, while the sum is 30.
The square root of 12931932 is about 3596.0995536831. The cubic root of 12931932 is about 234.7223641396.
The spelling of 12931932 in words is "twelve million, nine hundred thirty-one thousand, nine hundred thirty-two".
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