Base | Representation |
---|---|
bin | 1010101110111… |
… | …01111001010010 |
3 | 20021102101200220 |
4 | 11113131321102 |
5 | 141022202332 |
6 | 12533453510 |
7 | 2142210666 |
oct | 527357122 |
9 | 207371626 |
10 | 90037842 |
11 | 46907844 |
12 | 261a1296 |
13 | 1586623b |
14 | bd5a8a6 |
15 | 7d87d2c |
hex | 55dde52 |
90037842 has 16 divisors (see below), whose sum is σ = 180340992. Its totient is φ = 29968400.
The previous prime is 90037823. The next prime is 90037859. The reversal of 90037842 is 24873009.
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, 6498 + ... + 14909.
It is an arithmetic number, because the mean of its divisors is an integer number (11271312).
Almost surely, 290037842 is an apocalyptic number.
90037842 is an abundant number, since it is smaller than the sum of its proper divisors (90303150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90037842 is a wasteful number, since it uses less digits than its factorization.
90037842 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22113.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 90037842 is about 9488.8272194197. The cubic root of 90037842 is about 448.2032752319.
The spelling of 90037842 in words is "ninety million, thirty-seven thousand, eight hundred forty-two".
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