Base | Representation |
---|---|
bin | 101100110001… |
… | …0101101001100 |
3 | 1122011112212100 |
4 | 1121202231030 |
5 | 22002113342 |
6 | 2155035100 |
7 | 403342215 |
oct | 131425514 |
9 | 48145770 |
10 | 23472972 |
11 | 12282656 |
12 | 7a3ba90 |
13 | 4b2b143 |
14 | 319040c |
15 | 20d9e4c |
hex | 1662b4c |
23472972 has 36 divisors (see below), whose sum is σ = 61916400. Its totient is φ = 7483872.
The previous prime is 23472959. The next prime is 23472989. The reversal of 23472972 is 27927432.
It is a tau number, because it is divible by the number of its divisors (36).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13347 + ... + 15002.
It is an arithmetic number, because the mean of its divisors is an integer number (1719900).
Almost surely, 223472972 is an apocalyptic number.
It is an amenable number.
23472972 is an abundant number, since it is smaller than the sum of its proper divisors (38443428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23472972 is a wasteful number, since it uses less digits than its factorization.
23472972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28382 (or 28377 counting only the distinct ones).
The product of its digits is 42336, while the sum is 36.
The square root of 23472972 is about 4844.8913300507. The cubic root of 23472972 is about 286.3228622768.
The spelling of 23472972 in words is "twenty-three million, four hundred seventy-two thousand, nine hundred seventy-two".
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