Base | Representation |
---|---|
bin | 101101111001… |
… | …010000011010 |
3 | 211122020102200 |
4 | 231321100122 |
5 | 11034443002 |
6 | 1105511030 |
7 | 204155544 |
oct | 55712032 |
9 | 24566380 |
10 | 12031002 |
11 | 6878085 |
12 | 4042476 |
13 | 2653149 |
14 | 1852694 |
15 | 10c9b1c |
hex | b7941a |
12031002 has 24 divisors (see below), whose sum is σ = 27601236. Its totient is φ = 3774336.
The previous prime is 12030983. The next prime is 12031003. The reversal of 12031002 is 20013021.
It is a happy number.
12031002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 10751841 + 1279161 = 3279^2 + 1131^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (12031003) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19353 + ... + 19964.
Almost surely, 212031002 is an apocalyptic number.
12031002 is an abundant number, since it is smaller than the sum of its proper divisors (15570234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12031002 is a wasteful number, since it uses less digits than its factorization.
12031002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39342 (or 39339 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 12031002 is about 3468.5734819952. The cubic root of 12031002 is about 229.1398369178.
Adding to 12031002 its reverse (20013021), we get a palindrome (32044023).
The spelling of 12031002 in words is "twelve million, thirty-one thousand, two".
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