Base | Representation |
---|---|
bin | 1000010110100… |
… | …10100011100001 |
3 | 11212211211211202 |
4 | 10023102203201 |
5 | 120414142244 |
6 | 10541450545 |
7 | 1510400123 |
oct | 413224341 |
9 | 155754752 |
10 | 70068449 |
11 | 36608510 |
12 | 1b570a55 |
13 | 11693a29 |
14 | 943d213 |
15 | 624104e |
hex | 42d28e1 |
70068449 has 4 divisors (see below), whose sum is σ = 76438320. Its totient is φ = 63698580.
The previous prime is 70068433. The next prime is 70068451. The reversal of 70068449 is 94486007.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 70068449 - 24 = 70068433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70068149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3184919 + ... + 3184940.
It is an arithmetic number, because the mean of its divisors is an integer number (19109580).
Almost surely, 270068449 is an apocalyptic number.
It is an amenable number.
70068449 is a deficient number, since it is larger than the sum of its proper divisors (6369871).
70068449 is a wasteful number, since it uses less digits than its factorization.
70068449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6369870.
The product of its (nonzero) digits is 48384, while the sum is 38.
The square root of 70068449 is about 8370.6898759899. The cubic root of 70068449 is about 412.2628185324.
The spelling of 70068449 in words is "seventy million, sixty-eight thousand, four hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •