Base | Representation |
---|---|
bin | 101010011100… |
… | …1010110110110 |
3 | 1112212200011101 |
4 | 1110321112312 |
5 | 21144130110 |
6 | 2113000314 |
7 | 360110320 |
oct | 124712666 |
9 | 45780141 |
10 | 22255030 |
11 | 11620596 |
12 | 755309a |
13 | 47c2975 |
14 | 2d54610 |
15 | 1e4913a |
hex | 15395b6 |
22255030 has 48 divisors (see below), whose sum is σ = 47938464. Its totient is φ = 7286400.
The previous prime is 22255027. The next prime is 22255031. The reversal of 22255030 is 3055222.
It is a junction number, because it is equal to n+sod(n) for n = 22254989 and 22255007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22255031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36730 + ... + 37330.
It is an arithmetic number, because the mean of its divisors is an integer number (998718).
Almost surely, 222255030 is an apocalyptic number.
22255030 is an abundant number, since it is smaller than the sum of its proper divisors (25683434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22255030 is a wasteful number, since it uses less digits than its factorization.
22255030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 661 (or 638 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 19.
The square root of 22255030 is about 4717.5237148318. The cubic root of 22255030 is about 281.2825094931.
The spelling of 22255030 in words is "twenty-two million, two hundred fifty-five thousand, thirty".
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