Base | Representation |
---|---|
bin | 101110001010… |
… | …110011101110 |
3 | 211202220001100 |
4 | 232022303232 |
5 | 11044243034 |
6 | 1111223530 |
7 | 204605256 |
oct | 56126356 |
9 | 24686040 |
10 | 12102894 |
11 | 69170a1 |
12 | 4077ba6 |
13 | 2679a9b |
14 | 1870966 |
15 | 10e1099 |
hex | b8acee |
12102894 has 24 divisors (see below), whose sum is σ = 26542152. Its totient is φ = 3985200.
The previous prime is 12102887. The next prime is 12102917. The reversal of 12102894 is 49820121.
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, 2557 + ... + 5544.
It is an arithmetic number, because the mean of its divisors is an integer number (1105923).
Almost surely, 212102894 is an apocalyptic number.
12102894 is an abundant number, since it is smaller than the sum of its proper divisors (14439258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12102894 is a wasteful number, since it uses less digits than its factorization.
12102894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8192 (or 8189 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 12102894 is about 3478.9213845673. The cubic root of 12102894 is about 229.5953439266.
It can be divided in two parts, 12102 and 894, that added together give a square (12996 = 1142).
The spelling of 12102894 in words is "twelve million, one hundred two thousand, eight hundred ninety-four".
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