Base | Representation |
---|---|
bin | 101011111000… |
… | …1011111010000 |
3 | 1121021222201210 |
4 | 1113301133100 |
5 | 21342243412 |
6 | 2141100120 |
7 | 366401211 |
oct | 127613720 |
9 | 47258653 |
10 | 23009232 |
11 | 11a961a4 |
12 | 7857640 |
13 | 49c803c |
14 | 30ad408 |
15 | 204783c |
hex | 15f17d0 |
23009232 has 40 divisors (see below), whose sum is σ = 59621184. Its totient is φ = 7646464.
The previous prime is 23009219. The next prime is 23009291. The reversal of 23009232 is 23290032.
It is a junction number, because it is equal to n+sod(n) for n = 23009199 and 23009208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23668 + ... + 24620.
Almost surely, 223009232 is an apocalyptic number.
It is an amenable number.
23009232 is an abundant number, since it is smaller than the sum of its proper divisors (36611952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23009232 is a wasteful number, since it uses less digits than its factorization.
23009232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1467 (or 1461 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
The square root of 23009232 is about 4796.7939292823. The cubic root of 23009232 is about 284.4247430112.
Adding to 23009232 its reverse (23290032), we get a palindrome (46299264).
The spelling of 23009232 in words is "twenty-three million, nine thousand, two hundred thirty-two".
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