Base | Representation |
---|---|
bin | 101011011100… |
… | …0000101101000 |
3 | 1120212001012221 |
4 | 1112320011220 |
5 | 21312232440 |
6 | 2132043424 |
7 | 364401565 |
oct | 126700550 |
9 | 46761187 |
10 | 22774120 |
11 | 11945596 |
12 | 7763574 |
13 | 4945015 |
14 | 304b86c |
15 | 1eecd4a |
hex | 15b8168 |
22774120 has 32 divisors (see below), whose sum is σ = 51897600. Its totient is φ = 8993088.
The previous prime is 22774111. The next prime is 22774127. The reversal of 22774120 is 2147722.
It is not an unprimeable number, because it can be changed into a prime (22774127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444 + ... + 6763.
It is an arithmetic number, because the mean of its divisors is an integer number (1621800).
Almost surely, 222774120 is an apocalyptic number.
22774120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22774120 is an abundant number, since it is smaller than the sum of its proper divisors (29123480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22774120 is a wasteful number, since it uses less digits than its factorization.
22774120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7297 (or 7293 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 25.
The square root of 22774120 is about 4772.2238002843. The cubic root of 22774120 is about 283.4526586974.
It can be divided in two parts, 227 and 74120, that added together give a palindrome (74347).
The spelling of 22774120 in words is "twenty-two million, seven hundred seventy-four thousand, one hundred twenty".
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