Base | Representation |
---|---|
bin | 1010100110010… |
… | …10110100101000 |
3 | 20012022011011100 |
4 | 11103022310220 |
5 | 140230124034 |
6 | 12453401400 |
7 | 2126506110 |
oct | 523126450 |
9 | 205264140 |
10 | 88911144 |
11 | 46208293 |
12 | 25939260 |
13 | 1556045a |
14 | bb46040 |
15 | 7c14099 |
hex | 54cad28 |
88911144 has 96 divisors (see below), whose sum is σ = 279414720. Its totient is φ = 25014528.
The previous prime is 88911113. The next prime is 88911149. The reversal of 88911144 is 44111988.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 88911099 and 88911108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88911149) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32452 + ... + 35084.
It is an arithmetic number, because the mean of its divisors is an integer number (2910570).
Almost surely, 288911144 is an apocalyptic number.
88911144 is a gapful number since it is divisible by the number (84) 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 88911144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139707360).
88911144 is an abundant number, since it is smaller than the sum of its proper divisors (190503576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88911144 is a wasteful number, since it uses less digits than its factorization.
88911144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2719 (or 2712 counting only the distinct ones).
The product of its digits is 9216, while the sum is 36.
The square root of 88911144 is about 9429.2705974534. The cubic root of 88911144 is about 446.3258760419.
The spelling of 88911144 in words is "eighty-eight million, nine hundred eleven thousand, one hundred forty-four".
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