Base | Representation |
---|---|
bin | 1000010110100… |
… | …01010010001000 |
3 | 11212211120200211 |
4 | 10023101102020 |
5 | 120414010430 |
6 | 10541410504 |
7 | 1510346002 |
oct | 413212210 |
9 | 155746624 |
10 | 70063240 |
11 | 36604605 |
12 | 1b569a34 |
13 | 11691550 |
14 | 943b372 |
15 | 623e72a |
hex | 42d1488 |
70063240 has 64 divisors (see below), whose sum is σ = 172388160. Its totient is φ = 25470720.
The previous prime is 70063199. The next prime is 70063249. The reversal of 70063240 is 4236007.
It is not an unprimeable number, because it can be changed into a prime (70063249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33835 + ... + 35845.
It is an arithmetic number, because the mean of its divisors is an integer number (2693565).
Almost surely, 270063240 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70063240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86194080).
70063240 is an abundant number, since it is smaller than the sum of its proper divisors (102324920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70063240 is a wasteful number, since it uses less digits than its factorization.
70063240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2102 (or 2098 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 22.
The square root of 70063240 is about 8370.3787250040. The cubic root of 70063240 is about 412.2526021879.
Adding to 70063240 its reverse (4236007), we get a palindrome (74299247).
The spelling of 70063240 in words is "seventy million, sixty-three thousand, two hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •