Base | Representation |
---|---|
bin | 101011111010… |
… | …0110010001100 |
3 | 1121022200020210 |
4 | 1113310302030 |
5 | 21343211412 |
6 | 2141242420 |
7 | 366455445 |
oct | 127646214 |
9 | 47280223 |
10 | 23022732 |
11 | 11aa5357 |
12 | 7863410 |
13 | 4a01225 |
14 | 30b42cc |
15 | 204b83c |
hex | 15f4c8c |
23022732 has 24 divisors (see below), whose sum is σ = 55172656. Its totient is φ = 7466688.
The previous prime is 23022731. The next prime is 23022749. The reversal of 23022732 is 23722032.
It is a junction number, because it is equal to n+sod(n) for n = 23022699 and 23022708.
It is not an unprimeable number, because it can be changed into a prime (23022731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25483 + ... + 26370.
Almost surely, 223022732 is an apocalyptic number.
It is an amenable number.
23022732 is an abundant number, since it is smaller than the sum of its proper divisors (32149924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23022732 is a wasteful number, since it uses less digits than its factorization.
23022732 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51897 (or 51895 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 21.
The square root of 23022732 is about 4798.2009128422. The cubic root of 23022732 is about 284.4803581272.
Adding to 23022732 its reverse (23722032), we get a palindrome (46744764).
The spelling of 23022732 in words is "twenty-three million, twenty-two thousand, seven hundred thirty-two".
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