Base | Representation |
---|---|
bin | 101011100010… |
… | …1010001111110 |
3 | 1120221210100100 |
4 | 1113011101332 |
5 | 21321000113 |
6 | 2133141530 |
7 | 365015253 |
oct | 127052176 |
9 | 46853310 |
10 | 22828158 |
11 | 11982151 |
12 | 778a8a6 |
13 | 49637b2 |
14 | 306342a |
15 | 200dd73 |
hex | 15c547e |
22828158 has 24 divisors (see below), whose sum is σ = 52065000. Its totient is φ = 7208784.
The previous prime is 22828153. The next prime is 22828171. The reversal of 22828158 is 85182822.
It is a happy number.
It is a super-2 number, since 2×228281582 = 1042249595345928, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22828151) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33033 + ... + 33716.
It is an arithmetic number, because the mean of its divisors is an integer number (2169375).
Almost surely, 222828158 is an apocalyptic number.
22828158 is an abundant number, since it is smaller than the sum of its proper divisors (29236842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22828158 is a wasteful number, since it uses less digits than its factorization.
22828158 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66776 (or 66773 counting only the distinct ones).
The product of its digits is 20480, while the sum is 36.
The square root of 22828158 is about 4777.8821668183. The cubic root of 22828158 is about 283.6766719767.
It can be divided in two parts, 2282 and 8158, that added together give a triangular number (10440 = T144).
The spelling of 22828158 in words is "twenty-two million, eight hundred twenty-eight thousand, one hundred fifty-eight".
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