Base | Representation |
---|---|
bin | 101110100111… |
… | …101000011000 |
3 | 211222212222212 |
4 | 232213220120 |
5 | 11112032302 |
6 | 1113534252 |
7 | 205606412 |
oct | 56475030 |
9 | 24885885 |
10 | 12220952 |
11 | 6997867 |
12 | 4114388 |
13 | 26bb743 |
14 | 18a19b2 |
15 | 1116052 |
hex | ba7a18 |
12220952 has 64 divisors (see below), whose sum is σ = 25855200. Its totient is φ = 5391360.
The previous prime is 12220951. The next prime is 12220969. The reversal of 12220952 is 25902221.
12220952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12220951) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230558 + ... + 230610.
Almost surely, 212220952 is an apocalyptic number.
It is an amenable number.
12220952 is an abundant number, since it is smaller than the sum of its proper divisors (13634248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12220952 is a wasteful number, since it uses less digits than its factorization.
12220952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156 (or 152 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 12220952 is about 3495.8478227749. The cubic root of 12220952 is about 230.3394609301.
The spelling of 12220952 in words is "twelve million, two hundred twenty thousand, nine hundred fifty-two".
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