Base | Representation |
---|---|
bin | 1010100000101… |
… | …10011001100000 |
3 | 20010220121102101 |
4 | 11100112121200 |
5 | 140033002003 |
6 | 12425500144 |
7 | 2120310412 |
oct | 520263140 |
9 | 203817371 |
10 | 88172128 |
11 | 45853030 |
12 | 25641654 |
13 | 15361c75 |
14 | b9d29b2 |
15 | 7b1a11d |
hex | 5416660 |
88172128 has 24 divisors (see below), whose sum is σ = 189370440. Its totient is φ = 40078080.
The previous prime is 88172089. The next prime is 88172143. The reversal of 88172128 is 82127188.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124893 + ... + 125596.
It is an arithmetic number, because the mean of its divisors is an integer number (7890435).
Almost surely, 288172128 is an apocalyptic number.
88172128 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
88172128 is an abundant number, since it is smaller than the sum of its proper divisors (101198312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88172128 is a wasteful number, since it uses less digits than its factorization.
88172128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250510 (or 250502 counting only the distinct ones).
The product of its digits is 14336, while the sum is 37.
The square root of 88172128 is about 9390.0014909477. The cubic root of 88172128 is about 445.0858362383.
The spelling of 88172128 in words is "eighty-eight million, one hundred seventy-two thousand, one hundred twenty-eight".
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