Base | Representation |
---|---|
bin | 1000001101100… |
… | …01100110100010 |
3 | 11210121201022112 |
4 | 10012301212202 |
5 | 120113304043 |
6 | 10500235322 |
7 | 1464340415 |
oct | 406614642 |
9 | 153551275 |
10 | 68884898 |
11 | 3597a275 |
12 | 1b09bb42 |
13 | 1136b0c4 |
14 | 9211b7c |
15 | 60aa518 |
hex | 41b19a2 |
68884898 has 16 divisors (see below), whose sum is σ = 106437240. Its totient is φ = 33411456.
The previous prime is 68884897. The next prime is 68884903. The reversal of 68884898 is 89848886.
It can be written as a sum of positive squares in 4 ways, for example, as 45333289 + 23551609 = 6733^2 + 4853^2 .
It is not an unprimeable number, because it can be changed into a prime (68884891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27590 + ... + 29982.
Almost surely, 268884898 is an apocalyptic number.
68884898 is a deficient number, since it is larger than the sum of its proper divisors (37552342).
68884898 is a wasteful number, since it uses less digits than its factorization.
68884898 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2821.
The product of its digits is 7077888, while the sum is 59.
The square root of 68884898 is about 8299.6926449116. The cubic root of 68884898 is about 409.9283991564.
The spelling of 68884898 in words is "sixty-eight million, eight hundred eighty-four thousand, eight hundred ninety-eight".
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