Base | Representation |
---|---|
bin | 1010010001001… |
… | …00010000011101 |
3 | 20000001221112111 |
4 | 11020210100131 |
5 | 134022203431 |
6 | 12314034021 |
7 | 2064051643 |
oct | 510442035 |
9 | 200057474 |
10 | 86131741 |
11 | 4468a063 |
12 | 24a18911 |
13 | 14ac9337 |
14 | b621193 |
15 | 78657b1 |
hex | 522441d |
86131741 has 4 divisors (see below), whose sum is σ = 91198332. Its totient is φ = 81065152.
The previous prime is 86131739. The next prime is 86131789. The reversal of 86131741 is 14713168.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 52142841 + 33988900 = 7221^2 + 5830^2 .
It is a cyclic number.
It is not a de Polignac number, because 86131741 - 21 = 86131739 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 (86131141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533270 + ... + 2533303.
It is an arithmetic number, because the mean of its divisors is an integer number (22799583).
Almost surely, 286131741 is an apocalyptic number.
It is an amenable number.
86131741 is a deficient number, since it is larger than the sum of its proper divisors (5066591).
86131741 is a wasteful number, since it uses less digits than its factorization.
86131741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5066590.
The product of its digits is 4032, while the sum is 31.
The square root of 86131741 is about 9280.7187760432. The cubic root of 86131741 is about 441.6257709533.
The spelling of 86131741 in words is "eighty-six million, one hundred thirty-one thousand, seven hundred forty-one".
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