Base | Representation |
---|---|
bin | 101100110011… |
… | …0101111010000 |
3 | 1122012101112001 |
4 | 1121212233100 |
5 | 22003130423 |
6 | 2155243344 |
7 | 403441321 |
oct | 131465720 |
9 | 48171461 |
10 | 23489488 |
11 | 12294000 |
12 | 7a49554 |
13 | 4b35809 |
14 | 3196448 |
15 | 20decad |
hex | 1666bd0 |
23489488 has 40 divisors (see below), whose sum is σ = 50103936. Its totient is φ = 10667360.
The previous prime is 23489443. The next prime is 23489489. The reversal of 23489488 is 88498432.
23489488 = 622 + 632 + ... + 4132.
It is a super-5 number, since 5×234894885 (a number of 38 digits) contains 55555 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23489489) 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, 20745 + ... + 21847.
Almost surely, 223489488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23489488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25051968).
23489488 is an abundant number, since it is smaller than the sum of its proper divisors (26614448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23489488 is a wasteful number, since it uses less digits than its factorization.
23489488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1144 (or 1116 counting only the distinct ones).
The product of its digits is 442368, while the sum is 46.
The square root of 23489488 is about 4846.5955061259. The cubic root of 23489488 is about 286.3900004831.
The spelling of 23489488 in words is "twenty-three million, four hundred eighty-nine thousand, four hundred eighty-eight".
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