Base | Representation |
---|---|
bin | 110001001011… |
… | …001011100110 |
3 | 220020220221001 |
4 | 301023023212 |
5 | 11300001404 |
6 | 1140143514 |
7 | 214366444 |
oct | 61131346 |
9 | 26226831 |
10 | 12890854 |
11 | 73050a9 |
12 | 4397b9a |
13 | 2894632 |
14 | 19d7b94 |
15 | 11e97a4 |
hex | c4b2e6 |
12890854 has 24 divisors (see below), whose sum is σ = 21091320. Its totient is φ = 5892480.
The previous prime is 12890821. The next prime is 12890861. The reversal of 12890854 is 45809821.
12890854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36342 + ... + 36694.
It is an arithmetic number, because the mean of its divisors is an integer number (878805).
Almost surely, 212890854 is an apocalyptic number.
12890854 is a deficient number, since it is larger than the sum of its proper divisors (8200466).
12890854 is a wasteful number, since it uses less digits than its factorization.
12890854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436 (or 405 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 37.
The square root of 12890854 is about 3590.3835449712. The cubic root of 12890854 is about 234.4735703669.
The spelling of 12890854 in words is "twelve million, eight hundred ninety thousand, eight hundred fifty-four".
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