Base | Representation |
---|---|
bin | 1010110101010… |
… | …10100011101100 |
3 | 20022222222121222 |
4 | 11122222203230 |
5 | 141231014030 |
6 | 13003442512 |
7 | 2152302005 |
oct | 532524354 |
9 | 208888558 |
10 | 90876140 |
11 | 4732a653 |
12 | 26526438 |
13 | 15a9a984 |
14 | c0d81ac |
15 | 7ea13e5 |
hex | 56aa8ec |
90876140 has 24 divisors (see below), whose sum is σ = 197421840. Its totient is φ = 35096768.
The previous prime is 90876139. The next prime is 90876193. The reversal of 90876140 is 4167809.
It is a self number, because there is not a number n which added to its sum of digits gives 90876140.
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, 77762 + ... + 78921.
It is an arithmetic number, because the mean of its divisors is an integer number (8225910).
Almost surely, 290876140 is an apocalyptic number.
It is an amenable number.
90876140 is an abundant number, since it is smaller than the sum of its proper divisors (106545700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90876140 is a wasteful number, since it uses less digits than its factorization.
90876140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156721 (or 156719 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 90876140 is about 9532.8977755979. The cubic root of 90876140 is about 449.5899804317.
The spelling of 90876140 in words is "ninety million, eight hundred seventy-six thousand, one hundred forty".
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