Base | Representation |
---|---|
bin | 1010101111100… |
… | …00111111010001 |
3 | 20021120100222110 |
4 | 11113300333101 |
5 | 141032203144 |
6 | 12535255533 |
7 | 2142655002 |
oct | 527607721 |
9 | 207510873 |
10 | 90116049 |
11 | 46960581 |
12 | 2621a5a9 |
13 | 15892a0a |
14 | bd7b1a9 |
15 | 7da10b9 |
hex | 55f0fd1 |
90116049 has 8 divisors (see below), whose sum is σ = 120684960. Its totient is φ = 59812256.
The previous prime is 90116041. The next prime is 90116051. The reversal of 90116049 is 94061109.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 90116049 - 23 = 90116041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (90116041) 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, 65484 + ... + 66845.
It is an arithmetic number, because the mean of its divisors is an integer number (15085620).
Almost surely, 290116049 is an apocalyptic number.
It is an amenable number.
90116049 is a deficient number, since it is larger than the sum of its proper divisors (30568911).
90116049 is a wasteful number, since it uses less digits than its factorization.
90116049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132559.
The product of its (nonzero) digits is 1944, while the sum is 30.
The square root of 90116049 is about 9492.9473294652. The cubic root of 90116049 is about 448.3330076819. Note that the first 3 decimals are identical.
The spelling of 90116049 in words is "ninety million, one hundred sixteen thousand, forty-nine".
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