Base | Representation |
---|---|
bin | 1011101100111… |
… | …01001000100001 |
3 | 20211201002211110 |
4 | 11312131020201 |
5 | 200112124220 |
6 | 13423533533 |
7 | 2301233133 |
oct | 566351041 |
9 | 224632743 |
10 | 98161185 |
11 | 50455a51 |
12 | 28a5a2a9 |
13 | 1744b855 |
14 | d073053 |
15 | 893ebe0 |
hex | 5d9d221 |
98161185 has 32 divisors (see below), whose sum is σ = 162605952. Its totient is φ = 50526720.
The previous prime is 98161183. The next prime is 98161199. The reversal of 98161185 is 58116189.
It is not a de Polignac number, because 98161185 - 21 = 98161183 is a prime.
It is not an unprimeable number, because it can be changed into a prime (98161183) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75390 + ... + 76680.
It is an arithmetic number, because the mean of its divisors is an integer number (5081436).
Almost surely, 298161185 is an apocalyptic number.
It is an amenable number.
98161185 is a deficient number, since it is larger than the sum of its proper divisors (64444767).
98161185 is a wasteful number, since it uses less digits than its factorization.
98161185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1473.
The product of its digits is 17280, while the sum is 39.
The square root of 98161185 is about 9907.6326637598. The cubic root of 98161185 is about 461.2962571392.
It can be divided in two parts, 98161 and 185, that added together give a triangular number (98346 = T443).
The spelling of 98161185 in words is "ninety-eight million, one hundred sixty-one thousand, one hundred eighty-five".
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