Base | Representation |
---|---|
bin | 101110000110… |
… | …101010001110 |
3 | 211202000202000 |
4 | 232012222032 |
5 | 11043222102 |
6 | 1111013130 |
7 | 204504603 |
oct | 56065216 |
9 | 24660660 |
10 | 12085902 |
11 | 6905354 |
12 | 406a1a6 |
13 | 267212a |
14 | 18686aa |
15 | 10db01c |
hex | b86a8e |
12085902 has 64 divisors (see below), whose sum is σ = 28892160. Its totient is φ = 3735072.
The previous prime is 12085897. The next prime is 12085903. The reversal of 12085902 is 20958021.
12085902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12085903) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45823 + ... + 46085.
It is an arithmetic number, because the mean of its divisors is an integer number (451440).
Almost surely, 212085902 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12085902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14446080).
12085902 is an abundant number, since it is smaller than the sum of its proper divisors (16806258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12085902 is a wasteful number, since it uses less digits than its factorization.
12085902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334 (or 328 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 12085902 is about 3476.4783905556. The cubic root of 12085902 is about 229.4878459111.
It can be divided in two parts, 1 and 2085902, that added together give a triangular number (2085903 = T2042).
The spelling of 12085902 in words is "twelve million, eighty-five thousand, nine hundred two".
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