Base | Representation |
---|---|
bin | 101100110001… |
… | …0100100110000 |
3 | 1122011112010100 |
4 | 1121202210300 |
5 | 22002104212 |
6 | 2155032400 |
7 | 403340514 |
oct | 131424460 |
9 | 48145110 |
10 | 23472432 |
11 | 12282205 |
12 | 7a3b700 |
13 | 4b2ab19 |
14 | 3190144 |
15 | 20d9bdc |
hex | 1662930 |
23472432 has 30 divisors (see below), whose sum is σ = 65690612. Its totient is φ = 7824096.
The previous prime is 23472409. The next prime is 23472439. The reversal of 23472432 is 23427432.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 23472396 and 23472405.
It is not an unprimeable number, because it can be changed into a prime (23472439) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81358 + ... + 81645.
Almost surely, 223472432 is an apocalyptic number.
It is an amenable number.
23472432 is an abundant number, since it is smaller than the sum of its proper divisors (42218180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23472432 is a wasteful number, since it uses less digits than its factorization.
23472432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163017 (or 163008 counting only the distinct ones).
The product of its digits is 8064, while the sum is 27.
The square root of 23472432 is about 4844.8356009260. The cubic root of 23472432 is about 286.3206666234.
Adding to 23472432 its reverse (23427432), we get a palindrome (46899864).
The spelling of 23472432 in words is "twenty-three million, four hundred seventy-two thousand, four hundred thirty-two".
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