Base | Representation |
---|---|
bin | 101010101011… |
… | …0110001101010 |
3 | 1120002210110100 |
4 | 1111112301222 |
5 | 21212004110 |
6 | 2115330230 |
7 | 361121532 |
oct | 125266152 |
9 | 46083410 |
10 | 22375530 |
11 | 116a3081 |
12 | 75b0976 |
13 | 4835778 |
14 | 2d864c2 |
15 | 1e6ebc0 |
hex | 1556c6a |
22375530 has 48 divisors (see below), whose sum is σ = 60189480. Its totient is φ = 5760384.
The previous prime is 22375489. The next prime is 22375541. The reversal of 22375530 is 3557322.
It can be written as a sum of positive squares in 4 ways, for example, as 16426809 + 5948721 = 4053^2 + 2439^2 .
It is a junction number, because it is equal to n+sod(n) for n = 22375494 and 22375503.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 1677 + ... + 6896.
Almost surely, 222375530 is an apocalyptic number.
22375530 is an abundant number, since it is smaller than the sum of its proper divisors (37813950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22375530 is a wasteful number, since it uses less digits than its factorization.
22375530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8615 (or 8612 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 27.
The square root of 22375530 is about 4730.2780045152. The cubic root of 22375530 is about 281.7892646203.
The spelling of 22375530 in words is "twenty-two million, three hundred seventy-five thousand, five hundred thirty".
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