Base | Representation |
---|---|
bin | 101001111101… |
… | …1100110010101 |
3 | 1112101211011110 |
4 | 1103323212111 |
5 | 21113031234 |
6 | 2103325233 |
7 | 355004655 |
oct | 123734625 |
9 | 45354143 |
10 | 22002069 |
11 | 11468531 |
12 | 7450819 |
13 | 473479b |
14 | 2cca365 |
15 | 1de91e9 |
hex | 14fb995 |
22002069 has 4 divisors (see below), whose sum is σ = 29336096. Its totient is φ = 14668044.
The previous prime is 22002067. The next prime is 22002077. The reversal of 22002069 is 96020022.
It is a happy number.
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 not a de Polignac number, because 22002069 - 21 = 22002067 is a prime.
It is a super-2 number, since 2×220020692 = 968182080561522, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22002061) 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, 3667009 + ... + 3667014.
It is an arithmetic number, because the mean of its divisors is an integer number (7334024).
Almost surely, 222002069 is an apocalyptic number.
It is an amenable number.
22002069 is a deficient number, since it is larger than the sum of its proper divisors (7334027).
22002069 is an equidigital number, since it uses as much as digits as its factorization.
22002069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7334026.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 22002069 is about 4690.6363107792. The cubic root of 22002069 is about 280.2127167589.
The spelling of 22002069 in words is "twenty-two million, two thousand, sixty-nine".
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