Base | Representation |
---|---|
bin | 1010110100101… |
… | …10110101110100 |
3 | 20022211212211212 |
4 | 11122112311310 |
5 | 141220423010 |
6 | 13002020552 |
7 | 2151514364 |
oct | 532266564 |
9 | 208755755 |
10 | 90795380 |
11 | 47284a05 |
12 | 264a7758 |
13 | 15a6cca0 |
14 | c0b69a4 |
15 | 7e87505 |
hex | 5696d74 |
90795380 has 48 divisors (see below), whose sum is σ = 206917200. Its totient is φ = 33266688.
The previous prime is 90795379. The next prime is 90795391. The reversal of 90795380 is 8359709.
It can be written as a sum of positive squares in 8 ways, for example, as 88804 + 90706576 = 298^2 + 9524^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34346 + ... + 36894.
It is an arithmetic number, because the mean of its divisors is an integer number (4310775).
Almost surely, 290795380 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 90795380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103458600).
90795380 is an abundant number, since it is smaller than the sum of its proper divisors (116121820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90795380 is a wasteful number, since it uses less digits than its factorization.
90795380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2708 (or 2706 counting only the distinct ones).
The product of its (nonzero) digits is 68040, while the sum is 41.
The square root of 90795380 is about 9528.6609762338. The cubic root of 90795380 is about 449.4567601027.
The spelling of 90795380 in words is "ninety million, seven hundred ninety-five thousand, three hundred eighty".
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