Base | Representation |
---|---|
bin | 101110100111… |
… | …011111011111 |
3 | 211222212012210 |
4 | 232213133133 |
5 | 11112023013 |
6 | 1113531503 |
7 | 205604640 |
oct | 56473737 |
9 | 24885183 |
10 | 12220383 |
11 | 699739a |
12 | 4113b93 |
13 | 26bb3c6 |
14 | 18a16c7 |
15 | 1115cc3 |
hex | ba77df |
12220383 has 16 divisors (see below), whose sum is σ = 19431936. Its totient is φ = 6679200.
The previous prime is 12220361. The next prime is 12220393. The reversal of 12220383 is 38302221.
It is not a de Polignac number, because 12220383 - 29 = 12219871 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12220333) 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, 12168 + ... + 13133.
It is an arithmetic number, because the mean of its divisors is an integer number (1214496).
Almost surely, 212220383 is an apocalyptic number.
12220383 is a deficient number, since it is larger than the sum of its proper divisors (7211553).
12220383 is a wasteful number, since it uses less digits than its factorization.
12220383 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25334.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 12220383 is about 3495.7664395666. The cubic root of 12220383 is about 230.3358860535.
The spelling of 12220383 in words is "twelve million, two hundred twenty thousand, three hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.154 sec. • engine limits •