Base | Representation |
---|---|
bin | 101011110101… |
… | …0010110111001 |
3 | 1121020111200001 |
4 | 1113222112321 |
5 | 21340330100 |
6 | 2140313001 |
7 | 366220105 |
oct | 127522671 |
9 | 47214601 |
10 | 22980025 |
11 | 11a76262 |
12 | 7842761 |
13 | 49b7963 |
14 | 30a2905 |
15 | 203dd6a |
hex | 15ea5b9 |
22980025 has 24 divisors (see below), whose sum is σ = 30355200. Its totient is φ = 17208000.
The previous prime is 22980011. The next prime is 22980029. The reversal of 22980025 is 52008922.
It is not a de Polignac number, because 22980025 - 25 = 22979993 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 22979975 and 22980002.
It is not an unprimeable number, because it can be changed into a prime (22980029) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47736 + ... + 48214.
It is an arithmetic number, because the mean of its divisors is an integer number (1264800).
Almost surely, 222980025 is an apocalyptic number.
22980025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
22980025 is a deficient number, since it is larger than the sum of its proper divisors (7375175).
22980025 is a wasteful number, since it uses less digits than its factorization.
22980025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 609 (or 604 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 22980025 is about 4793.7485332462. The cubic root of 22980025 is about 284.3043462520.
Adding to 22980025 its reverse (52008922), we get a palindrome (74988947).
The spelling of 22980025 in words is "twenty-two million, nine hundred eighty thousand, twenty-five".
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