Base | Representation |
---|---|
bin | 1000100000111… |
… | …00011001001101 |
3 | 11222101111002112 |
4 | 10100130121031 |
5 | 121240410334 |
6 | 11030433405 |
7 | 1525025012 |
oct | 420343115 |
9 | 158344075 |
10 | 71419469 |
11 | 37350560 |
12 | 1bb02865 |
13 | 11a47954 |
14 | 96b1709 |
15 | 640b4ce |
hex | 441c64d |
71419469 has 4 divisors (see below), whose sum is σ = 77912160. Its totient is φ = 64926780.
The previous prime is 71419459. The next prime is 71419487. The reversal of 71419469 is 96491417.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 71419469 - 212 = 71415373 is a prime.
It is a super-2 number, since 2×714194692 = 10201481104483922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71419409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3246329 + ... + 3246350.
It is an arithmetic number, because the mean of its divisors is an integer number (19478040).
Almost surely, 271419469 is an apocalyptic number.
It is an amenable number.
71419469 is a deficient number, since it is larger than the sum of its proper divisors (6492691).
71419469 is a wasteful number, since it uses less digits than its factorization.
71419469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6492690.
The product of its digits is 54432, while the sum is 41.
The square root of 71419469 is about 8451.0040231916. The cubic root of 71419469 is about 414.8956412487.
The spelling of 71419469 in words is "seventy-one million, four hundred nineteen thousand, four hundred sixty-nine".
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