Base | Representation |
---|---|
bin | 1000011001110… |
… | …00100001110011 |
3 | 11220122001210110 |
4 | 10030320201303 |
5 | 121021024011 |
6 | 10554432403 |
7 | 1514056632 |
oct | 414704163 |
9 | 156561713 |
10 | 70486131 |
11 | 36873301 |
12 | 1b732703 |
13 | 117abb91 |
14 | 950b519 |
15 | 62c4ba6 |
hex | 4338873 |
70486131 has 32 divisors (see below), whose sum is σ = 102876480. Its totient is φ = 42758144.
The previous prime is 70486111. The next prime is 70486133. The reversal of 70486131 is 13168407.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 70486131 - 29 = 70485619 is a prime.
It is a super-2 number, since 2×704861312 = 9936589326698322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (70486133) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240421 + ... + 240713.
It is an arithmetic number, because the mean of its divisors is an integer number (3214890).
Almost surely, 270486131 is an apocalyptic number.
70486131 is a deficient number, since it is larger than the sum of its proper divisors (32390349).
70486131 is a wasteful number, since it uses less digits than its factorization.
70486131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 455.
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 70486131 is about 8395.6018843201. The cubic root of 70486131 is about 413.0803702047.
The spelling of 70486131 in words is "seventy million, four hundred eighty-six thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •