Base | Representation |
---|---|
bin | 101110100110… |
… | …000011011001 |
3 | 211222120010111 |
4 | 232212003121 |
5 | 11111330424 |
6 | 1113444321 |
7 | 205551520 |
oct | 56460331 |
9 | 24876114 |
10 | 12214489 |
11 | 6992a21 |
12 | 41106a1 |
13 | 26b8811 |
14 | 189d4b7 |
15 | 1114194 |
hex | ba60d9 |
12214489 has 4 divisors (see below), whose sum is σ = 13959424. Its totient is φ = 10469556.
The previous prime is 12214469. The next prime is 12214493. The reversal of 12214489 is 98441221.
12214489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12214489 - 27 = 12214361 is a prime.
It is a super-2 number, since 2×122144892 = 298387483062242, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12214489.
It is not an unprimeable number, because it can be changed into a prime (12214409) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872457 + ... + 872470.
It is an arithmetic number, because the mean of its divisors is an integer number (3489856).
Almost surely, 212214489 is an apocalyptic number.
It is an amenable number.
12214489 is a deficient number, since it is larger than the sum of its proper divisors (1744935).
12214489 is an equidigital number, since it uses as much as digits as its factorization.
12214489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1744934.
The product of its digits is 4608, while the sum is 31.
The square root of 12214489 is about 3494.9233181860. The cubic root of 12214489 is about 230.2988490792.
The spelling of 12214489 in words is "twelve million, two hundred fourteen thousand, four hundred eighty-nine".
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