Base | Representation |
---|---|
bin | 1000010110011… |
… | …10000111000101 |
3 | 11212210220212112 |
4 | 10023032013011 |
5 | 120413101440 |
6 | 10541230405 |
7 | 1510263056 |
oct | 413160705 |
9 | 155726775 |
10 | 70050245 |
11 | 365a5871 |
12 | 1b562405 |
13 | 11688665 |
14 | 943672d |
15 | 623a965 |
hex | 42ce1c5 |
70050245 has 18 divisors (see below), whose sum is σ = 89170002. Its totient is φ = 52821216.
The previous prime is 70050241. The next prime is 70050247. The reversal of 70050245 is 54205007.
It can be written as a sum of positive squares in 3 ways, for example, as 47306884 + 22743361 = 6878^2 + 4769^2 .
It is not a de Polignac number, because 70050245 - 22 = 70050241 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 70050245.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70050241) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 355487 + ... + 355683.
It is an arithmetic number, because the mean of its divisors is an integer number (4953889).
Almost surely, 270050245 is an apocalyptic number.
It is an amenable number.
70050245 is a deficient number, since it is larger than the sum of its proper divisors (19119757).
70050245 is an equidigital number, since it uses as much as digits as its factorization.
70050245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 437 (or 221 counting only the distinct ones).
The product of its (nonzero) digits is 1400, while the sum is 23.
The square root of 70050245 is about 8369.6024397817. The cubic root of 70050245 is about 412.2271130545.
The spelling of 70050245 in words is "seventy million, fifty thousand, two hundred forty-five".
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