Base | Representation |
---|---|
bin | 1000010110101… |
… | …01000010001001 |
3 | 11212212100202202 |
4 | 10023111002021 |
5 | 120420003401 |
6 | 10542005545 |
7 | 1510441535 |
oct | 413250211 |
9 | 155770682 |
10 | 70078601 |
11 | 366150aa |
12 | 1b5768b5 |
13 | 11698538 |
14 | 9442bc5 |
15 | 624406b |
hex | 42d5089 |
70078601 has 2 divisors, whose sum is σ = 70078602. Its totient is φ = 70078600.
The previous prime is 70078597. The next prime is 70078621. The reversal of 70078601 is 10687007.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 53071225 + 17007376 = 7285^2 + 4124^2 .
It is an emirp because it is prime and its reverse (10687007) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 70078601 - 22 = 70078597 is a prime.
It is a super-2 number, since 2×700786012 = 9822020636234402, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (70078621) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35039300 + 35039301.
It is an arithmetic number, because the mean of its divisors is an integer number (35039301).
Almost surely, 270078601 is an apocalyptic number.
It is an amenable number.
70078601 is a deficient number, since it is larger than the sum of its proper divisors (1).
70078601 is an equidigital number, since it uses as much as digits as its factorization.
70078601 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2352, while the sum is 29.
The square root of 70078601 is about 8371.2962556584. The cubic root of 70078601 is about 412.2827280641.
The spelling of 70078601 in words is "seventy million, seventy-eight thousand, six hundred one".
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