Base | Representation |
---|---|
bin | 1010110011011… |
… | …11101001100000 |
3 | 20022112201122020 |
4 | 11121233221200 |
5 | 141200303343 |
6 | 12554341440 |
7 | 2150245353 |
oct | 531575140 |
9 | 208481566 |
10 | 90634848 |
11 | 47185337 |
12 | 2642a880 |
13 | 15a14bb5 |
14 | c07429a |
15 | 7e54b83 |
hex | 566fa60 |
90634848 has 48 divisors (see below), whose sum is σ = 239210496. Its totient is φ = 30047360.
The previous prime is 90634813. The next prime is 90634861. The reversal of 90634848 is 84843609.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15865 + ... + 20807.
It is an arithmetic number, because the mean of its divisors is an integer number (4983552).
Almost surely, 290634848 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 90634848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119605248).
90634848 is an abundant number, since it is smaller than the sum of its proper divisors (148575648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90634848 is a wasteful number, since it uses less digits than its factorization.
90634848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5147 (or 5139 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 42.
The square root of 90634848 is about 9520.2336105791. The cubic root of 90634848 is about 449.1917144669.
The spelling of 90634848 in words is "ninety million, six hundred thirty-four thousand, eight hundred forty-eight".
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