Base | Representation |
---|---|
bin | 1010100010010… |
… | …11111100000000 |
3 | 20011022202020110 |
4 | 11101023330000 |
5 | 140112011144 |
6 | 12434311320 |
7 | 2122212642 |
oct | 521137400 |
9 | 204282213 |
10 | 88391424 |
11 | 45992870 |
12 | 25728540 |
13 | 1540aa24 |
14 | ba4c892 |
15 | 7b600b9 |
hex | 544bf00 |
88391424 has 72 divisors (see below), whose sum is σ = 256660992. Its totient is φ = 26782720.
The previous prime is 88391423. The next prime is 88391467. The reversal of 88391424 is 42419388.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88391423) 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 7 ways as a sum of consecutive naturals, for example, 3217 + ... + 13679.
It is an arithmetic number, because the mean of its divisors is an integer number (3564736).
Almost surely, 288391424 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 88391424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128330496).
88391424 is an abundant number, since it is smaller than the sum of its proper divisors (168269568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88391424 is a wasteful number, since it uses less digits than its factorization.
88391424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10493 (or 10479 counting only the distinct ones).
The product of its digits is 55296, while the sum is 39.
The square root of 88391424 is about 9401.6713407777. The cubic root of 88391424 is about 445.4545269572.
The spelling of 88391424 in words is "eighty-eight million, three hundred ninety-one thousand, four hundred twenty-four".
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