Base | Representation |
---|---|
bin | 101010001001… |
… | …0011111000000 |
3 | 1112120120202021 |
4 | 1110102133000 |
5 | 21124031213 |
6 | 2105331224 |
7 | 355545160 |
oct | 124223700 |
9 | 45516667 |
10 | 22095808 |
11 | 115219a9 |
12 | 7496b14 |
13 | 4768357 |
14 | 2d125a0 |
15 | 1e16d8d |
hex | 15127c0 |
22095808 has 112 divisors (see below), whose sum is σ = 54360064. Its totient is φ = 8709120.
The previous prime is 22095779. The next prime is 22095809. The reversal of 22095808 is 80859022.
It is a tau number, because it is divible by the number of its divisors (112).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22095809) 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, 513835 + ... + 513877.
Almost surely, 222095808 is an apocalyptic number.
22095808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22095808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27180032).
22095808 is an abundant number, since it is smaller than the sum of its proper divisors (32264256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22095808 is a wasteful number, since it uses less digits than its factorization.
22095808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130 (or 120 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 22095808 is about 4700.6178317323. The cubic root of 22095808 is about 280.6100982492.
The spelling of 22095808 in words is "twenty-two million, ninety-five thousand, eight hundred eight".
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