Base | Representation |
---|---|
bin | 101010101100… |
… | …0000101110000 |
3 | 1120010001211200 |
4 | 1111120011300 |
5 | 21212142122 |
6 | 2115411200 |
7 | 361143321 |
oct | 125300560 |
9 | 46101750 |
10 | 22380912 |
11 | 116a7124 |
12 | 75b3b00 |
13 | 4838058 |
14 | 2d88448 |
15 | 1e715ac |
hex | 1558170 |
22380912 has 30 divisors (see below), whose sum is σ = 62635872. Its totient is φ = 7460256.
The previous prime is 22380877. The next prime is 22380913. The reversal of 22380912 is 21908322.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22380913) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77568 + ... + 77855.
Almost surely, 222380912 is an apocalyptic number.
It is an amenable number.
22380912 is an abundant number, since it is smaller than the sum of its proper divisors (40254960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22380912 is a wasteful number, since it uses less digits than its factorization.
22380912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155437 (or 155428 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 22380912 is about 4730.8468586502. The cubic root of 22380912 is about 281.8118557909.
The spelling of 22380912 in words is "twenty-two million, three hundred eighty thousand, nine hundred twelve".
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