Base | Representation |
---|---|
bin | 1010010001111… |
… | …00101000110001 |
3 | 20000021000112000 |
4 | 11020330220301 |
5 | 134033402401 |
6 | 12320124213 |
7 | 2064646041 |
oct | 510745061 |
9 | 200230460 |
10 | 86231601 |
11 | 44748095 |
12 | 24a66669 |
13 | 14b32921 |
14 | b649721 |
15 | 7885186 |
hex | 523ca31 |
86231601 has 8 divisors (see below), whose sum is σ = 127750560. Its totient is φ = 57487716.
The previous prime is 86231591. The next prime is 86231609. The reversal of 86231601 is 10613268.
It is not a de Polignac number, because 86231601 - 27 = 86231473 is a prime.
It is a super-2 number, since 2×862316012 = 14871778022046402, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3193763 = 86231601 / (8 + 6 + 2 + 3 + 1 + 6 + 0 + 1).
It is not an unprimeable number, because it can be changed into a prime (86231609) 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, 1596855 + ... + 1596908.
It is an arithmetic number, because the mean of its divisors is an integer number (15968820).
Almost surely, 286231601 is an apocalyptic number.
It is an amenable number.
86231601 is a deficient number, since it is larger than the sum of its proper divisors (41518959).
86231601 is a wasteful number, since it uses less digits than its factorization.
86231601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3193772 (or 3193766 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 86231601 is about 9286.0971888087. The cubic root of 86231601 is about 441.7963767280.
Adding to 86231601 its reverse (10613268), we get a palindrome (96844869).
The spelling of 86231601 in words is "eighty-six million, two hundred thirty-one thousand, six hundred one".
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