Base | Representation |
---|---|
bin | 1010110010110… |
… | …10100011100000 |
3 | 20022101100010020 |
4 | 11121122203200 |
5 | 141140022243 |
6 | 12552433440 |
7 | 2146435434 |
oct | 531324340 |
9 | 208340106 |
10 | 90548448 |
11 | 47126431 |
12 | 263a8880 |
13 | 159b4783 |
14 | c0509c4 |
15 | 7e39283 |
hex | 565a8e0 |
90548448 has 24 divisors (see below), whose sum is σ = 237689928. Its totient is φ = 30182784.
The previous prime is 90548441. The next prime is 90548449. The reversal of 90548448 is 84484509.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90548441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471511 + ... + 471702.
It is an arithmetic number, because the mean of its divisors is an integer number (9903747).
Almost surely, 290548448 is an apocalyptic number.
It is an amenable number.
90548448 is an abundant number, since it is smaller than the sum of its proper divisors (147141480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90548448 is a wasteful number, since it uses less digits than its factorization.
90548448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 943226 (or 943218 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 42.
The square root of 90548448 is about 9515.6948248670. The cubic root of 90548448 is about 449.0489345694.
The spelling of 90548448 in words is "ninety million, five hundred forty-eight thousand, four hundred forty-eight".
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