Base | Representation |
---|---|
bin | 1001111010011… |
… | …11110011100001 |
3 | 12210111012002102 |
4 | 10331033303201 |
5 | 132242230020 |
6 | 12130300145 |
7 | 2026612523 |
oct | 475176341 |
9 | 183435072 |
10 | 83164385 |
11 | 42a426a7 |
12 | 23a27655 |
13 | 142ca7c5 |
14 | b08ba13 |
15 | 747b475 |
hex | 4f4fce1 |
83164385 has 8 divisors (see below), whose sum is σ = 101920896. Its totient is φ = 65115760.
The previous prime is 83164381. The next prime is 83164409. The reversal of 83164385 is 58346138.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 83164385 - 22 = 83164381 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83164381) 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, 176711 + ... + 177180.
It is an arithmetic number, because the mean of its divisors is an integer number (12740112).
Almost surely, 283164385 is an apocalyptic number.
It is an amenable number.
83164385 is a deficient number, since it is larger than the sum of its proper divisors (18756511).
83164385 is a wasteful number, since it uses less digits than its factorization.
83164385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 353943.
The product of its digits is 69120, while the sum is 38.
The square root of 83164385 is about 9119.4509154883. The cubic root of 83164385 is about 436.4948527354.
The spelling of 83164385 in words is "eighty-three million, one hundred sixty-four thousand, three hundred eighty-five".
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