Base | Representation |
---|---|
bin | 1000011110000… |
… | …10001001000000 |
3 | 11221200200222210 |
4 | 10033002021000 |
5 | 121142043132 |
6 | 11014502120 |
7 | 1521625152 |
oct | 417021100 |
9 | 157620883 |
10 | 71049792 |
11 | 37118840 |
12 | 1b964940 |
13 | 119485c8 |
14 | 9616ad2 |
15 | 6386bcc |
hex | 43c2240 |
71049792 has 56 divisors (see below), whose sum is σ = 205081632. Its totient is φ = 21529600.
The previous prime is 71049787. The next prime is 71049793. The reversal of 71049792 is 29794017.
It is a self number, because there is not a number n which added to its sum of digits gives 71049792.
It is not an unprimeable number, because it can be changed into a prime (71049793) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14709 + ... + 18932.
It is an arithmetic number, because the mean of its divisors is an integer number (3662172).
Almost surely, 271049792 is an apocalyptic number.
It is an amenable number.
71049792 is an abundant number, since it is smaller than the sum of its proper divisors (134031840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71049792 is a wasteful number, since it uses less digits than its factorization.
71049792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33667 (or 33657 counting only the distinct ones).
The product of its (nonzero) digits is 31752, while the sum is 39.
The square root of 71049792 is about 8429.1038669600. The cubic root of 71049792 is about 414.1785502561.
The spelling of 71049792 in words is "seventy-one million, forty-nine thousand, seven hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.029 sec. • engine limits •