Base | Representation |
---|---|
bin | 1000010110101… |
… | …00100100010001 |
3 | 11212212021010221 |
4 | 10023110210101 |
5 | 120414423224 |
6 | 10541553041 |
7 | 1510433134 |
oct | 413244421 |
9 | 155767127 |
10 | 70076689 |
11 | 36613721 |
12 | 1b575781 |
13 | 116976c7 |
14 | 944221b |
15 | 62436e4 |
hex | 42d4911 |
70076689 has 2 divisors, whose sum is σ = 70076690. Its totient is φ = 70076688.
The previous prime is 70076683. The next prime is 70076701. The reversal of 70076689 is 98667007.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 36204289 + 33872400 = 6017^2 + 5820^2 .
It is an emirp because it is prime and its reverse (98667007) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-70076689 is a prime.
It is not a weakly prime, because it can be changed into another prime (70076683) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35038344 + 35038345.
It is an arithmetic number, because the mean of its divisors is an integer number (35038345).
Almost surely, 270076689 is an apocalyptic number.
It is an amenable number.
70076689 is a deficient number, since it is larger than the sum of its proper divisors (1).
70076689 is an equidigital number, since it uses as much as digits as its factorization.
70076689 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 127008, while the sum is 43.
The square root of 70076689 is about 8371.1820551222. The cubic root of 70076689 is about 412.2789785042.
The spelling of 70076689 in words is "seventy million, seventy-six thousand, six hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •