Base | Representation |
---|---|
bin | 1000100001011… |
… | …00100110001000 |
3 | 11222111212010102 |
4 | 10100230212020 |
5 | 121300021312 |
6 | 11032104532 |
7 | 1525422335 |
oct | 420544610 |
9 | 158455112 |
10 | 71485832 |
11 | 37396400 |
12 | 1bb35148 |
13 | 11a6bc12 |
14 | 96cb98c |
15 | 6420ec2 |
hex | 442c988 |
71485832 has 24 divisors (see below), whose sum is σ = 147330750. Its totient is φ = 32493120.
The previous prime is 71485831. The next prime is 71485861. The reversal of 71485832 is 23858417.
It can be written as a sum of positive squares in only one way, i.e., 47416996 + 24068836 = 6886^2 + 4906^2 .
It is a super-2 number, since 2×714858322 = 10220448353464448, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (71485831) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35957 + ... + 37892.
Almost surely, 271485832 is an apocalyptic number.
It is an amenable number.
71485832 is an abundant number, since it is smaller than the sum of its proper divisors (75844918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71485832 is a wasteful number, since it uses less digits than its factorization.
71485832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73877 (or 73862 counting only the distinct ones).
The product of its digits is 53760, while the sum is 38.
The square root of 71485832 is about 8454.9294497352. The cubic root of 71485832 is about 415.0241085332.
The spelling of 71485832 in words is "seventy-one million, four hundred eighty-five thousand, eight hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •