Base | Representation |
---|---|
bin | 101010000000… |
… | …1111100010111 |
3 | 1112110010210220 |
4 | 1110001330113 |
5 | 21114344210 |
6 | 2104045423 |
7 | 355143510 |
oct | 124017427 |
9 | 45403726 |
10 | 22028055 |
11 | 11486005 |
12 | 7463873 |
13 | 474356a |
14 | 2cd5a07 |
15 | 1e01c70 |
hex | 1501f17 |
22028055 has 32 divisors (see below), whose sum is σ = 40525824. Its totient is φ = 10008576.
The previous prime is 22028051. The next prime is 22028057. The reversal of 22028055 is 55082022.
It is not a de Polignac number, because 22028055 - 22 = 22028051 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22028051) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19722 + ... + 20808.
It is an arithmetic number, because the mean of its divisors is an integer number (1266432).
Almost surely, 222028055 is an apocalyptic number.
22028055 is a deficient number, since it is larger than the sum of its proper divisors (18497769).
22028055 is a wasteful number, since it uses less digits than its factorization.
22028055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1295.
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 22028055 is about 4693.4054800326. The cubic root of 22028055 is about 280.3229903706.
The spelling of 22028055 in words is "twenty-two million, twenty-eight thousand, fifty-five".
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