Base | Representation |
---|---|
bin | 1010110000111… |
… | …10111011111000 |
3 | 20021220221010210 |
4 | 11120132323320 |
5 | 141104213443 |
6 | 12543311120 |
7 | 2144400456 |
oct | 530367370 |
9 | 207827123 |
10 | 90304248 |
11 | 46a79a11 |
12 | 262ab4a0 |
13 | 1592a588 |
14 | bdc99d6 |
15 | 7ddbc33 |
hex | 561eef8 |
90304248 has 32 divisors (see below), whose sum is σ = 227122560. Its totient is φ = 29919840.
The previous prime is 90304241. The next prime is 90304267. The reversal of 90304248 is 84240309.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90304241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7258 + ... + 15273.
It is an arithmetic number, because the mean of its divisors is an integer number (7097580).
Almost surely, 290304248 is an apocalyptic number.
It is an amenable number.
90304248 is an abundant number, since it is smaller than the sum of its proper divisors (136818312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90304248 is a wasteful number, since it uses less digits than its factorization.
90304248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22707 (or 22703 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 90304248 is about 9502.8547289749. The cubic root of 90304248 is about 448.6448912871.
The spelling of 90304248 in words is "ninety million, three hundred four thousand, two hundred forty-eight".
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