Base | Representation |
---|---|
bin | 1011110000110… |
… | …11110101001010 |
3 | 20212200110200221 |
4 | 11320123311022 |
5 | 200230231023 |
6 | 13443020254 |
7 | 2305524124 |
oct | 570336512 |
9 | 225613627 |
10 | 98680138 |
11 | 5077a937 |
12 | 2906a68a |
13 | 175a0b1b |
14 | d16a214 |
15 | 89e385d |
hex | 5e1bd4a |
98680138 has 8 divisors (see below), whose sum is σ = 156727332. Its totient is φ = 46437696.
The previous prime is 98680123. The next prime is 98680139. The reversal of 98680138 is 83108689.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 97752769 + 927369 = 9887^2 + 963^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 98680094 and 98680103.
It is not an unprimeable number, because it can be changed into a prime (98680139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451145 + ... + 1451212.
Almost surely, 298680138 is an apocalyptic number.
98680138 is a deficient number, since it is larger than the sum of its proper divisors (58047194).
98680138 is a wasteful number, since it uses less digits than its factorization.
98680138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2902376.
The product of its (nonzero) digits is 82944, while the sum is 43.
The square root of 98680138 is about 9933.7876965435. The cubic root of 98680138 is about 462.1077470876.
The spelling of 98680138 in words is "ninety-eight million, six hundred eighty thousand, one hundred thirty-eight".
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