Base | Representation |
---|---|
bin | 1010010010100… |
… | …11110001101101 |
3 | 20000102211112101 |
4 | 11021103301231 |
5 | 134044421011 |
6 | 12322135101 |
7 | 2065522261 |
oct | 511236155 |
9 | 200384471 |
10 | 86326381 |
11 | 44802319 |
12 | 24ab1491 |
13 | 14b66acb |
14 | b6720a1 |
15 | 78a32c1 |
hex | 5253c6d |
86326381 has 8 divisors (see below), whose sum is σ = 88905600. Its totient is φ = 83784480.
The previous prime is 86326379. The next prime is 86326393. The reversal of 86326381 is 18362368.
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 86326381 - 21 = 86326379 is a prime.
It is a super-2 number, since 2×863263812 = 14904488113114322, which contains 22 as substring.
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 86326381.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86326181) 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, 4600 + ... + 13921.
It is an arithmetic number, because the mean of its divisors is an integer number (11113200).
Almost surely, 286326381 is an apocalyptic number.
It is an amenable number.
86326381 is a deficient number, since it is larger than the sum of its proper divisors (2579219).
86326381 is a wasteful number, since it uses less digits than its factorization.
86326381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18659.
The product of its digits is 41472, while the sum is 37.
The square root of 86326381 is about 9291.1991152918. The cubic root of 86326381 is about 441.9581817892.
The spelling of 86326381 in words is "eighty-six million, three hundred twenty-six thousand, three hundred eighty-one".
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