Base | Representation |
---|---|
bin | 1000011100011… |
… | …00100101000001 |
3 | 11221021120001012 |
4 | 10032030211001 |
5 | 121113033101 |
6 | 11010050305 |
7 | 1520022425 |
oct | 416144501 |
9 | 157246035 |
10 | 70830401 |
11 | 36a88a24 |
12 | 1b879995 |
13 | 1189c7a5 |
14 | 959ab85 |
15 | 6341bbb |
hex | 438c941 |
70830401 has 2 divisors, whose sum is σ = 70830402. Its totient is φ = 70830400.
The previous prime is 70830349. The next prime is 70830427. The reversal of 70830401 is 10403807.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 38738176 + 32092225 = 6224^2 + 5665^2 .
It is a cyclic number.
It is not a de Polignac number, because 70830401 - 26 = 70830337 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (70830451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35415200 + 35415201.
It is an arithmetic number, because the mean of its divisors is an integer number (35415201).
Almost surely, 270830401 is an apocalyptic number.
It is an amenable number.
70830401 is a deficient number, since it is larger than the sum of its proper divisors (1).
70830401 is an equidigital number, since it uses as much as digits as its factorization.
70830401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 23.
The square root of 70830401 is about 8416.0799069400. The cubic root of 70830401 is about 413.7518038274.
The spelling of 70830401 in words is "seventy million, eight hundred thirty thousand, four hundred one".
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