Base | Representation |
---|---|
bin | 1000010110100… |
… | …11001001000001 |
3 | 11212211222010122 |
4 | 10023103021001 |
5 | 120414231344 |
6 | 10541510025 |
7 | 1510410122 |
oct | 413231101 |
9 | 155758118 |
10 | 70070849 |
11 | 3660a2a2 |
12 | 1b572315 |
13 | 11694b54 |
14 | 9440049 |
15 | 6241aee |
hex | 42d3241 |
70070849 has 2 divisors, whose sum is σ = 70070850. Its totient is φ = 70070848.
The previous prime is 70070831. The next prime is 70070863. The reversal of 70070849 is 94807007.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 47679025 + 22391824 = 6905^2 + 4732^2 .
It is a cyclic number.
It is not a de Polignac number, because 70070849 - 28 = 70070593 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (70070809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35035424 + 35035425.
It is an arithmetic number, because the mean of its divisors is an integer number (35035425).
Almost surely, 270070849 is an apocalyptic number.
It is an amenable number.
70070849 is a deficient number, since it is larger than the sum of its proper divisors (1).
70070849 is an equidigital number, since it uses as much as digits as its factorization.
70070849 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14112, while the sum is 35.
The square root of 70070849 is about 8370.8332321221. The cubic root of 70070849 is about 412.2675254511.
The spelling of 70070849 in words is "seventy million, seventy thousand, eight hundred forty-nine".
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