Base | Representation |
---|---|
bin | 1000100001000… |
… | …01011110101101 |
3 | 11222102112200002 |
4 | 10100201132231 |
5 | 121242042201 |
6 | 11031114045 |
7 | 1525142522 |
oct | 420413655 |
9 | 158375602 |
10 | 71440301 |
11 | 37365179 |
12 | 1bb12925 |
13 | 11a5428a |
14 | 96b9149 |
15 | 641276b |
hex | 44217ad |
71440301 has 8 divisors (see below), whose sum is σ = 72354240. Its totient is φ = 70532352.
The previous prime is 71440289. The next prime is 71440309. The reversal of 71440301 is 10304417.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 71440301 - 214 = 71423917 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71440309) 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, 25496 + ... + 28158.
It is an arithmetic number, because the mean of its divisors is an integer number (9044280).
Almost surely, 271440301 is an apocalyptic number.
It is an amenable number.
71440301 is a deficient number, since it is larger than the sum of its proper divisors (913939).
71440301 is a wasteful number, since it uses less digits than its factorization.
71440301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2995.
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 71440301 is about 8452.2364496031. The cubic root of 71440301 is about 414.9359769624.
Adding to 71440301 its reverse (10304417), we get a palindrome (81744718).
The spelling of 71440301 in words is "seventy-one million, four hundred forty thousand, three hundred one".
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