Base | Representation |
---|---|
bin | 101110100011… |
… | …000000010010 |
3 | 211221221000000 |
4 | 232203000102 |
5 | 11110431002 |
6 | 1113310430 |
7 | 205500231 |
oct | 56430022 |
9 | 24857000 |
10 | 12202002 |
11 | 69845aa |
12 | 4105416 |
13 | 26b2c27 |
14 | 1898b18 |
15 | 111061c |
hex | ba3012 |
12202002 has 28 divisors (see below), whose sum is σ = 27445230. Its totient is φ = 4066848.
The previous prime is 12201991. The next prime is 12202007. The reversal of 12202002 is 20020221.
It can be written as a sum of positive squares in only one way, i.e., 9308601 + 2893401 = 3051^2 + 1701^2 .
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 (12202007) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2727 + ... + 5642.
Almost surely, 212202002 is an apocalyptic number.
12202002 is an abundant number, since it is smaller than the sum of its proper divisors (15243228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12202002 is an frugal number, since it uses more digits than its factorization.
12202002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8389 (or 8374 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 12202002 is about 3493.1364130248. The cubic root of 12202002 is about 230.2203433458.
Adding to 12202002 its reverse (20020221), we get a palindrome (32222223).
The spelling of 12202002 in words is "twelve million, two hundred two thousand, two".
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