Base | Representation |
---|---|
bin | 101010000100… |
… | …1000011001000 |
3 | 1112111121201212 |
4 | 1110021003020 |
5 | 21121312120 |
6 | 2104432252 |
7 | 355324406 |
oct | 124110310 |
9 | 45447655 |
10 | 22057160 |
11 | 114a5964 |
12 | 7478688 |
13 | 4753898 |
14 | 2d02476 |
15 | 1e0a6c5 |
hex | 15090c8 |
22057160 has 64 divisors (see below), whose sum is σ = 53136000. Its totient is φ = 8211456.
The previous prime is 22057103. The next prime is 22057163. The reversal of 22057160 is 6175022.
It is not an unprimeable number, because it can be changed into a prime (22057163) 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, 110741 + ... + 110939.
It is an arithmetic number, because the mean of its divisors is an integer number (830250).
Almost surely, 222057160 is an apocalyptic number.
22057160 is a gapful number since it is divisible by the number (20) 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 22057160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26568000).
22057160 is an abundant number, since it is smaller than the sum of its proper divisors (31078840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22057160 is a wasteful number, since it uses less digits than its factorization.
22057160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 390 (or 386 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 22057160 is about 4696.5050835701. The cubic root of 22057160 is about 280.4463967864.
The spelling of 22057160 in words is "twenty-two million, fifty-seven thousand, one hundred sixty".
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