Base | Representation |
---|---|
bin | 101100000111… |
… | …0011101010000 |
3 | 1121112000111110 |
4 | 1120032131100 |
5 | 21410043023 |
6 | 2143413320 |
7 | 400404150 |
oct | 130163520 |
9 | 47460443 |
10 | 23127888 |
11 | 12067363 |
12 | 78b4240 |
13 | 4a3a054 |
14 | 3100760 |
15 | 206ca93 |
hex | 160e750 |
23127888 has 80 divisors (see below), whose sum is σ = 72316800. Its totient is φ = 6217728.
The previous prime is 23127887. The next prime is 23127899. The reversal of 23127888 is 88872132.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23127887) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3688 + ... + 7736.
It is an arithmetic number, because the mean of its divisors is an integer number (903960).
Almost surely, 223127888 is an apocalyptic number.
23127888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23127888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36158400).
23127888 is an abundant number, since it is smaller than the sum of its proper divisors (49188912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23127888 is a wasteful number, since it uses less digits than its factorization.
23127888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4084 (or 4078 counting only the distinct ones).
The product of its digits is 43008, while the sum is 39.
The square root of 23127888 is about 4809.1462859847. The cubic root of 23127888 is about 284.9128203649.
The spelling of 23127888 in words is "twenty-three million, one hundred twenty-seven thousand, eight hundred eighty-eight".
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