Base | Representation |
---|---|
bin | 1000010100110… |
… | …00100000100010 |
3 | 11212101202200212 |
4 | 10022120200202 |
5 | 120334040230 |
6 | 10532414122 |
7 | 1505360006 |
oct | 412304042 |
9 | 155352625 |
10 | 69830690 |
11 | 36465916 |
12 | 1b477342 |
13 | 1160c747 |
14 | 93ba706 |
15 | 61e5895 |
hex | 4298822 |
69830690 has 16 divisors (see below), whose sum is σ = 126129528. Its totient is φ = 27835776.
The previous prime is 69830671. The next prime is 69830699. The reversal of 69830690 is 9603896.
It can be written as a sum of positive squares in 4 ways, for example, as 69772609 + 58081 = 8353^2 + 241^2 .
It is a super-2 number, since 2×698306902 = 9752650531752200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (69830699) 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, 8987 + ... + 14846.
Almost surely, 269830690 is an apocalyptic number.
69830690 is a deficient number, since it is larger than the sum of its proper divisors (56298838).
69830690 is a wasteful number, since it uses less digits than its factorization.
69830690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24133.
The product of its (nonzero) digits is 69984, while the sum is 41.
The square root of 69830690 is about 8356.4759318746. The cubic root of 69830690 is about 411.7959880076.
The spelling of 69830690 in words is "sixty-nine million, eight hundred thirty thousand, six hundred ninety".
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