Base | Representation |
---|---|
bin | 1010100100101… |
… | …01001011111000 |
3 | 20011212222210110 |
4 | 11102111023320 |
5 | 140201111243 |
6 | 12444544320 |
7 | 2124602436 |
oct | 522251370 |
9 | 204788713 |
10 | 88691448 |
11 | 4607821a |
12 | 258520a0 |
13 | 154b4461 |
14 | bac9d56 |
15 | 7bbde33 |
hex | 54952f8 |
88691448 has 64 divisors (see below), whose sum is σ = 236265120. Its totient is φ = 27648000.
The previous prime is 88691443. The next prime is 88691459. The reversal of 88691448 is 84419688.
It is a junction number, because it is equal to n+sod(n) for n = 88691397 and 88691406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88691441) 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 15 ways as a sum of consecutive naturals, for example, 73248 + ... + 74448.
Almost surely, 288691448 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 88691448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118132560).
88691448 is an abundant number, since it is smaller than the sum of its proper divisors (147573672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88691448 is a wasteful number, since it uses less digits than its factorization.
88691448 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1408 (or 1404 counting only the distinct ones).
The product of its digits is 442368, while the sum is 48.
The square root of 88691448 is about 9417.6137104895. The cubic root of 88691448 is about 445.9579548398.
The spelling of 88691448 in words is "eighty-eight million, six hundred ninety-one thousand, four hundred forty-eight".
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