Base | Representation |
---|---|
bin | 1000010101111… |
… | …01101010000001 |
3 | 11212200111102101 |
4 | 10022331222001 |
5 | 120403422344 |
6 | 10535550401 |
7 | 1506562426 |
oct | 412755201 |
9 | 155614371 |
10 | 69982849 |
11 | 3655a172 |
12 | 1b52b401 |
13 | 11663a91 |
14 | 9419d4d |
15 | 62259d4 |
hex | 42bda81 |
69982849 has 2 divisors, whose sum is σ = 69982850. Its totient is φ = 69982848.
The previous prime is 69982831. The next prime is 69982879. The reversal of 69982849 is 94828996.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 60341824 + 9641025 = 7768^2 + 3105^2 .
It is a cyclic number.
It is not a de Polignac number, because 69982849 - 217 = 69851777 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 69982849.
It is not a weakly prime, because it can be changed into another prime (69982819) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34991424 + 34991425.
It is an arithmetic number, because the mean of its divisors is an integer number (34991425).
Almost surely, 269982849 is an apocalyptic number.
It is an amenable number.
69982849 is a deficient number, since it is larger than the sum of its proper divisors (1).
69982849 is an equidigital number, since it uses as much as digits as its factorization.
69982849 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2239488, while the sum is 55.
The square root of 69982849 is about 8365.5752342562. The cubic root of 69982849 is about 412.0948681057.
The spelling of 69982849 in words is "sixty-nine million, nine hundred eighty-two thousand, eight hundred forty-nine".
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