Base | Representation |
---|---|
bin | 101011011011… |
… | …1110001110000 |
3 | 1120211222110211 |
4 | 1112313301300 |
5 | 21312212343 |
6 | 2132033504 |
7 | 364365100 |
oct | 126676160 |
9 | 46758424 |
10 | 22772848 |
11 | 1194463a |
12 | 7762894 |
13 | 4944577 |
14 | 304b200 |
15 | 1eec79d |
hex | 15b7c70 |
22772848 has 60 divisors (see below), whose sum is σ = 53038272. Its totient is φ = 9434880.
The previous prime is 22772837. The next prime is 22772857. The reversal of 22772848 is 84827722.
It is a super-2 number, since 2×227728482 = 1037205212062208, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 22772848.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23836 + ... + 24772.
Almost surely, 222772848 is an apocalyptic number.
22772848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22772848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26519136).
22772848 is an abundant number, since it is smaller than the sum of its proper divisors (30265424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22772848 is a wasteful number, since it uses less digits than its factorization.
22772848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 990 (or 977 counting only the distinct ones).
The product of its digits is 100352, while the sum is 40.
The square root of 22772848 is about 4772.0905272218. The cubic root of 22772848 is about 283.4473813841.
The spelling of 22772848 in words is "twenty-two million, seven hundred seventy-two thousand, eight hundred forty-eight".
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