Base | Representation |
---|---|
bin | 101010100011… |
… | …1110100110001 |
3 | 1112222200110011 |
4 | 1111013310301 |
5 | 21203024124 |
6 | 2114134521 |
7 | 360445144 |
oct | 125076461 |
9 | 45880404 |
10 | 22314289 |
11 | 11661068 |
12 | 7581441 |
13 | 481392a |
14 | 2d6c05b |
15 | 1e5b994 |
hex | 1547d31 |
22314289 has 4 divisors (see below), whose sum is σ = 22395124. Its totient is φ = 22233456.
The previous prime is 22314277. The next prime is 22314307. The reversal of 22314289 is 98241322.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98241322 = 2 ⋅49120661.
It can be written as a sum of positive squares in 2 ways, for example, as 8025889 + 14288400 = 2833^2 + 3780^2 .
It is a cyclic number.
It is not a de Polignac number, because 22314289 - 29 = 22313777 is a prime.
It is a super-3 number, since 3×223142893 (a number of 23 digits) contains 333 as substring.
It is a Duffinian number.
It is a zygodrome in base 3.
It is a self number, because there is not a number n which added to its sum of digits gives 22314289.
It is not an unprimeable number, because it can be changed into a prime (22314889) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40002 + ... + 40555.
It is an arithmetic number, because the mean of its divisors is an integer number (5598781).
Almost surely, 222314289 is an apocalyptic number.
It is an amenable number.
22314289 is a deficient number, since it is larger than the sum of its proper divisors (80835).
22314289 is an equidigital number, since it uses as much as digits as its factorization.
22314289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80834.
The product of its digits is 6912, while the sum is 31.
The square root of 22314289 is about 4723.8002709683. The cubic root of 22314289 is about 281.5319474482.
The spelling of 22314289 in words is "twenty-two million, three hundred fourteen thousand, two hundred eighty-nine".
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