Base | Representation |
---|---|
bin | 101011101100… |
… | …0110000110000 |
3 | 1121002211210200 |
4 | 1113120300300 |
5 | 21331023302 |
6 | 2134555200 |
7 | 365500014 |
oct | 127306060 |
9 | 47084720 |
10 | 22907952 |
11 | 11a270a1 |
12 | 7808b00 |
13 | 4990c02 |
14 | 3084544 |
15 | 202781c |
hex | 15d8c30 |
22907952 has 60 divisors (see below), whose sum is σ = 64463880. Its totient is φ = 7593984.
The previous prime is 22907933. The next prime is 22908007. The reversal of 22907952 is 25970922.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 36699 + ... + 37317.
It is an arithmetic number, because the mean of its divisors is an integer number (1074398).
Almost surely, 222907952 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22907952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32231940).
22907952 is an abundant number, since it is smaller than the sum of its proper divisors (41555928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22907952 is a wasteful number, since it uses less digits than its factorization.
22907952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 890 (or 881 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 22907952 is about 4786.2252349842. The cubic root of 22907952 is about 284.0068106546.
The spelling of 22907952 in words is "twenty-two million, nine hundred seven thousand, nine hundred fifty-two".
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