Base | Representation |
---|---|
bin | 1000011100101… |
… | …11011010001001 |
3 | 11221100210220011 |
4 | 10032113122021 |
5 | 121120443021 |
6 | 11011031521 |
7 | 1520265646 |
oct | 416273211 |
9 | 157323804 |
10 | 70874761 |
11 | 37009291 |
12 | 1b89b5a1 |
13 | 118b6a39 |
14 | 95acdcd |
15 | 634ede1 |
hex | 4397689 |
70874761 has 2 divisors, whose sum is σ = 70874762. Its totient is φ = 70874760.
The previous prime is 70874701. The next prime is 70874801. The reversal of 70874761 is 16747807.
It is an a-pointer prime, because the next prime (70874801) can be obtained adding 70874761 to its sum of digits (40).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 40005625 + 30869136 = 6325^2 + 5556^2 .
It is a cyclic number.
It is not a de Polignac number, because 70874761 - 29 = 70874249 is a prime.
It is not a weakly prime, because it can be changed into another prime (70874701) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35437380 + 35437381.
It is an arithmetic number, because the mean of its divisors is an integer number (35437381).
Almost surely, 270874761 is an apocalyptic number.
It is an amenable number.
70874761 is a deficient number, since it is larger than the sum of its proper divisors (1).
70874761 is an equidigital number, since it uses as much as digits as its factorization.
70874761 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 65856, while the sum is 40.
The square root of 70874761 is about 8418.7149256879. The cubic root of 70874761 is about 413.8381612835.
The spelling of 70874761 in words is "seventy million, eight hundred seventy-four thousand, seven hundred sixty-one".
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