Base | Representation |
---|---|
bin | 1001111100110… |
… | …10000001100111 |
3 | 12211001122002220 |
4 | 10332122001213 |
5 | 132331442031 |
6 | 12141003423 |
7 | 2032320036 |
oct | 476320147 |
9 | 184048086 |
10 | 83468391 |
11 | 43130046 |
12 | 23b53573 |
13 | 143a5ca6 |
14 | b12a71d |
15 | 74db596 |
hex | 4f9a067 |
83468391 has 8 divisors (see below), whose sum is σ = 111521664. Its totient is φ = 55530360.
The previous prime is 83468389. The next prime is 83468401. The reversal of 83468391 is 19386438.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 83468391 - 21 = 83468389 is a prime.
It is a super-2 number, since 2×834683912 = 13933944592257762, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83468491) 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, 27105 + ... + 30026.
It is an arithmetic number, because the mean of its divisors is an integer number (13940208).
Almost surely, 283468391 is an apocalyptic number.
83468391 is a deficient number, since it is larger than the sum of its proper divisors (28053273).
83468391 is a wasteful number, since it uses less digits than its factorization.
83468391 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57621.
The product of its digits is 124416, while the sum is 42.
The square root of 83468391 is about 9136.1037100068. The cubic root of 83468391 is about 437.0260724844.
The spelling of 83468391 in words is "eighty-three million, four hundred sixty-eight thousand, three hundred ninety-one".
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