Base | Representation |
---|---|
bin | 1000100001000… |
… | …01110001001001 |
3 | 11222102121021210 |
4 | 10100201301021 |
5 | 121242111411 |
6 | 11031123333 |
7 | 1525146126 |
oct | 420416111 |
9 | 158377253 |
10 | 71441481 |
11 | 37366051 |
12 | 1bb13549 |
13 | 11a54987 |
14 | 96b974d |
15 | 6412ca6 |
hex | 4421c49 |
71441481 has 8 divisors (see below), whose sum is σ = 95313024. Its totient is φ = 47598800.
The previous prime is 71441467. The next prime is 71441537. The reversal of 71441481 is 18414417.
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 71441481 - 26 = 71441417 is a prime.
It is a super-2 number, since 2×714414812 = 10207770414946722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (71441411) 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, 561 + ... + 11966.
It is an arithmetic number, because the mean of its divisors is an integer number (11914128).
Almost surely, 271441481 is an apocalyptic number.
It is an amenable number.
71441481 is a deficient number, since it is larger than the sum of its proper divisors (23871543).
71441481 is a wasteful number, since it uses less digits than its factorization.
71441481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14431.
The product of its digits is 3584, while the sum is 30.
The square root of 71441481 is about 8452.3062533252. The cubic root of 71441481 is about 414.9382614888.
Adding to 71441481 its reverse (18414417), we get a palindrome (89855898).
It can be divided in two parts, 714 and 41481, that added together give a triangular number (42195 = T290).
The spelling of 71441481 in words is "seventy-one million, four hundred forty-one thousand, four hundred eighty-one".
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