Base | Representation |
---|---|
bin | 1010010110110… |
… | …11110011111101 |
3 | 20001111010212102 |
4 | 11023123303331 |
5 | 134220233311 |
6 | 12342114445 |
7 | 2103332621 |
oct | 513336375 |
9 | 201433772 |
10 | 86883581 |
11 | 45052a14 |
12 | 2511ba25 |
13 | 15000605 |
14 | b779181 |
15 | 796343b |
hex | 52dbcfd |
86883581 has 8 divisors (see below), whose sum is σ = 92148864. Its totient is φ = 81742320.
The previous prime is 86883527. The next prime is 86883613. The reversal of 86883581 is 18538868.
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 86883581 - 210 = 86882557 is a prime.
It is a super-2 number, since 2×868835812 = 15097513294767122, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86889581) 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, 29561 + ... + 32366.
It is an arithmetic number, because the mean of its divisors is an integer number (11518608).
Almost surely, 286883581 is an apocalyptic number.
It is an amenable number.
86883581 is a deficient number, since it is larger than the sum of its proper divisors (5265283).
86883581 is a wasteful number, since it uses less digits than its factorization.
86883581 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62011.
The product of its digits is 368640, while the sum is 47.
The square root of 86883581 is about 9321.1362504793. The cubic root of 86883581 is about 442.9070271492.
The spelling of 86883581 in words is "eighty-six million, eight hundred eighty-three thousand, five hundred eighty-one".
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