Base | Representation |
---|---|
bin | 1000010110100… |
… | …11101100110110 |
3 | 11212212002021120 |
4 | 10023103230312 |
5 | 120414320032 |
6 | 10541524410 |
7 | 1510416606 |
oct | 413235466 |
9 | 155762246 |
10 | 70073142 |
11 | 36610a97 |
12 | 1b573706 |
13 | 11695bc9 |
14 | 9440c06 |
15 | 624262c |
hex | 42d3b36 |
70073142 has 8 divisors (see below), whose sum is σ = 140146296. Its totient is φ = 23357712.
The previous prime is 70073117. The next prime is 70073149. The reversal of 70073142 is 24137007.
It is a sphenic number, since it is the product of 3 distinct primes.
70073142 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70073149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5839423 + ... + 5839434.
It is an arithmetic number, because the mean of its divisors is an integer number (17518287).
Almost surely, 270073142 is an apocalyptic number.
70073142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70073142 is a wasteful number, since it uses less digits than its factorization.
70073142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11678862.
The product of its (nonzero) digits is 1176, while the sum is 24.
The square root of 70073142 is about 8370.9701946668. The cubic root of 70073142 is about 412.2720224192.
The spelling of 70073142 in words is "seventy million, seventy-three thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •