Base | Representation |
---|---|
bin | 110001100011… |
… | …011110101110 |
3 | 220102222110021 |
4 | 301203132232 |
5 | 11311143012 |
6 | 1142232354 |
7 | 215262556 |
oct | 61433656 |
9 | 26388407 |
10 | 12990382 |
11 | 7372959 |
12 | 44256ba |
13 | 28caa22 |
14 | 1a22166 |
15 | 1219007 |
hex | c637ae |
12990382 has 8 divisors (see below), whose sum is σ = 19567152. Its totient is φ = 6468000.
The previous prime is 12990371. The next prime is 12990403. The reversal of 12990382 is 28309921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12994 + ... + 13957.
It is an arithmetic number, because the mean of its divisors is an integer number (2445894).
Almost surely, 212990382 is an apocalyptic number.
12990382 is a deficient number, since it is larger than the sum of its proper divisors (6576770).
12990382 is a wasteful number, since it uses less digits than its factorization.
12990382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27194.
The product of its (nonzero) digits is 7776, while the sum is 34.
The square root of 12990382 is about 3604.2172520535. The cubic root of 12990382 is about 235.0754669347.
The spelling of 12990382 in words is "twelve million, nine hundred ninety thousand, three hundred eighty-two".
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