Base | Representation |
---|---|
bin | 101011001111… |
… | …0010001101011 |
3 | 1120122200012012 |
4 | 1112132101223 |
5 | 21300342040 |
6 | 2125510135 |
7 | 363451421 |
oct | 126362153 |
9 | 46580165 |
10 | 22668395 |
11 | 11883112 |
12 | 771234b |
13 | 4908b69 |
14 | 3021111 |
15 | 1ecb865 |
hex | 159e46b |
22668395 has 8 divisors (see below), whose sum is σ = 28802304. Its totient is φ = 17067904.
The previous prime is 22668377. The next prime is 22668397. The reversal of 22668395 is 59386622.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22668395 - 222 = 18474091 is a prime.
It is a super-2 number, since 2×226683952 = 1027712263752050, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22668397) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133259 + ... + 133428.
It is an arithmetic number, because the mean of its divisors is an integer number (3600288).
Almost surely, 222668395 is an apocalyptic number.
22668395 is a deficient number, since it is larger than the sum of its proper divisors (6133909).
22668395 is a wasteful number, since it uses less digits than its factorization.
22668395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266709.
The product of its digits is 155520, while the sum is 41.
The square root of 22668395 is about 4761.1337935412. The cubic root of 22668395 is about 283.0133511829.
The spelling of 22668395 in words is "twenty-two million, six hundred sixty-eight thousand, three hundred ninety-five".
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