Base | Representation |
---|---|
bin | 1001111101000… |
… | …11111010111011 |
3 | 12211010200201002 |
4 | 10332203322323 |
5 | 132334241143 |
6 | 12141515215 |
7 | 2032546151 |
oct | 476437273 |
9 | 184120632 |
10 | 83508923 |
11 | 43158543 |
12 | 23b72b0b |
13 | 143bb584 |
14 | b13b3d1 |
15 | 74e85b8 |
hex | 4fa3ebb |
83508923 has 4 divisors (see below), whose sum is σ = 85545768. Its totient is φ = 81472080.
The previous prime is 83508917. The next prime is 83508959. The reversal of 83508923 is 32980538.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32980538 = 2 ⋅16490269.
It is a cyclic number.
It is not a de Polignac number, because 83508923 - 24 = 83508907 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83501923) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018361 + ... + 1018442.
It is an arithmetic number, because the mean of its divisors is an integer number (21386442).
Almost surely, 283508923 is an apocalyptic number.
83508923 is a deficient number, since it is larger than the sum of its proper divisors (2036845).
83508923 is a wasteful number, since it uses less digits than its factorization.
83508923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2036844.
The product of its (nonzero) digits is 51840, while the sum is 38.
The square root of 83508923 is about 9138.3216730426. The cubic root of 83508923 is about 437.0968005533.
The spelling of 83508923 in words is "eighty-three million, five hundred eight thousand, nine hundred twenty-three".
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