Base | Representation |
---|---|
bin | 1010010111000… |
… | …01110100111111 |
3 | 20001112101200002 |
4 | 11023201310333 |
5 | 134222030343 |
6 | 12342424515 |
7 | 2103464513 |
oct | 513416477 |
9 | 201471602 |
10 | 86908223 |
11 | 4506a486 |
12 | 2513213b |
13 | 1500b8ac |
14 | b784143 |
15 | 796a8b8 |
hex | 52e1d3f |
86908223 has 6 divisors (see below), whose sum is σ = 91723464. Its totient is φ = 82333764.
The previous prime is 86908193. The next prime is 86908231. The reversal of 86908223 is 32280968.
It is a happy number.
It is not a de Polignac number, because 86908223 - 224 = 70131007 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 (86908243) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120011 + ... + 120732.
It is an arithmetic number, because the mean of its divisors is an integer number (15287244).
Almost surely, 286908223 is an apocalyptic number.
86908223 is a deficient number, since it is larger than the sum of its proper divisors (4815241).
86908223 is a wasteful number, since it uses less digits than its factorization.
86908223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 240781 (or 240762 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 38.
The square root of 86908223 is about 9322.4579913240. The cubic root of 86908223 is about 442.9488957553.
The spelling of 86908223 in words is "eighty-six million, nine hundred eight thousand, two hundred twenty-three".
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