Base | Representation |
---|---|
bin | 101100101100… |
… | …0101111101100 |
3 | 1122002110220020 |
4 | 1121120233230 |
5 | 21444312142 |
6 | 2154122140 |
7 | 403112241 |
oct | 131305754 |
9 | 48073806 |
10 | 23432172 |
11 | 12254a35 |
12 | 7a20350 |
13 | 4b156ba |
14 | 317d5c8 |
15 | 20cccec |
hex | 1658bec |
23432172 has 24 divisors (see below), whose sum is σ = 54758592. Its totient is φ = 7798800.
The previous prime is 23432159. The next prime is 23432173. The reversal of 23432172 is 27123432.
It is not an unprimeable number, because it can be changed into a prime (23432173) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10647 + ... + 12657.
It is an arithmetic number, because the mean of its divisors is an integer number (2281608).
Almost surely, 223432172 is an apocalyptic number.
It is an amenable number.
23432172 is an abundant number, since it is smaller than the sum of its proper divisors (31326420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23432172 is a wasteful number, since it uses less digits than its factorization.
23432172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2989 (or 2987 counting only the distinct ones).
The product of its digits is 2016, while the sum is 24.
The square root of 23432172 is about 4840.6788780087. The cubic root of 23432172 is about 286.1568735283.
It can be divided in two parts, 23432 and 172, that multiplied together give a palindrome (4030304).
The spelling of 23432172 in words is "twenty-three million, four hundred thirty-two thousand, one hundred seventy-two".
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