Base | Representation |
---|---|
bin | 1011101101011… |
… | …11111011000001 |
3 | 20211212000101211 |
4 | 11312233323001 |
5 | 200122110040 |
6 | 13425330121 |
7 | 2302003405 |
oct | 566577301 |
9 | 224760354 |
10 | 98238145 |
11 | 504a8855 |
12 | 28a96941 |
13 | 174778a5 |
14 | d093105 |
15 | 89578ea |
hex | 5dafec1 |
98238145 has 8 divisors (see below), whose sum is σ = 121072104. Its totient is φ = 76466304.
The previous prime is 98238139. The next prime is 98238149. The reversal of 98238145 is 54183289.
It can be written as a sum of positive squares in 4 ways, for example, as 18974736 + 79263409 = 4356^2 + 8903^2 .
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 98238145 - 27 = 98238017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 98238098 and 98238107.
It is not an unprimeable number, because it can be changed into a prime (98238149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265324 + ... + 265693.
It is an arithmetic number, because the mean of its divisors is an integer number (15134013).
Almost surely, 298238145 is an apocalyptic number.
98238145 is the 7009-th centered square number.
It is an amenable number.
98238145 is a deficient number, since it is larger than the sum of its proper divisors (22833959).
98238145 is a wasteful number, since it uses less digits than its factorization.
98238145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 531059.
The product of its digits is 69120, while the sum is 40.
The square root of 98238145 is about 9911.5157771150. The cubic root of 98238145 is about 461.4167802907.
The spelling of 98238145 in words is "ninety-eight million, two hundred thirty-eight thousand, one hundred forty-five".
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