Base | Representation |
---|---|
bin | 1000011101111… |
… | …10000000001001 |
3 | 11221122211201222 |
4 | 10032332000021 |
5 | 121141022331 |
6 | 11014251425 |
7 | 1521524555 |
oct | 416760011 |
9 | 157584658 |
10 | 71032841 |
11 | 37107030 |
12 | 1b956b75 |
13 | 11940989 |
14 | 9610865 |
15 | 6381b7b |
hex | 43be009 |
71032841 has 4 divisors (see below), whose sum is σ = 77490384. Its totient is φ = 64575300.
The previous prime is 71032813. The next prime is 71032847. The reversal of 71032841 is 14823017.
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 71032841 - 26 = 71032777 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 71032841.
It is not an unprimeable number, because it can be changed into a prime (71032847) 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, 3228755 + ... + 3228776.
It is an arithmetic number, because the mean of its divisors is an integer number (19372596).
Almost surely, 271032841 is an apocalyptic number.
It is an amenable number.
71032841 is a deficient number, since it is larger than the sum of its proper divisors (6457543).
71032841 is a wasteful number, since it uses less digits than its factorization.
71032841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6457542.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 71032841 is about 8428.0983027015. The cubic root of 71032841 is about 414.1456095122.
Adding to 71032841 its reverse (14823017), we get a palindrome (85855858).
The spelling of 71032841 in words is "seventy-one million, thirty-two thousand, eight hundred forty-one".
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