Base | Representation |
---|---|
bin | 101101111101… |
… | …001011101101 |
3 | 211200001111100 |
4 | 231331023231 |
5 | 11041001320 |
6 | 1110113313 |
7 | 204253461 |
oct | 55751355 |
9 | 24601440 |
10 | 12047085 |
11 | 6889176 |
12 | 404b839 |
13 | 265a56b |
14 | 18584a1 |
15 | 10ce790 |
hex | b7d2ed |
12047085 has 12 divisors (see below), whose sum is σ = 20881692. Its totient is φ = 6425088.
The previous prime is 12047053. The next prime is 12047099. The reversal of 12047085 is 58074021.
It can be written as a sum of positive squares in 2 ways, for example, as 2350089 + 9696996 = 1533^2 + 3114^2 .
It is not a de Polignac number, because 12047085 - 25 = 12047053 is a prime.
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, 133812 + ... + 133901.
It is an arithmetic number, because the mean of its divisors is an integer number (1740141).
Almost surely, 212047085 is an apocalyptic number.
12047085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12047085 is a deficient number, since it is larger than the sum of its proper divisors (8834607).
12047085 is a wasteful number, since it uses less digits than its factorization.
12047085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267724 (or 267721 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 12047085 is about 3470.8910959579. The cubic root of 12047085 is about 229.2418958893.
The spelling of 12047085 in words is "twelve million, forty-seven thousand, eighty-five".
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