Base | Representation |
---|---|
bin | 1001111011010… |
… | …11100100100101 |
3 | 12210200222002201 |
4 | 10331223210211 |
5 | 132304344432 |
6 | 12132534501 |
7 | 2030565226 |
oct | 475534445 |
9 | 183628081 |
10 | 83278117 |
11 | 4301009a |
12 | 23a81431 |
13 | 1433a4c0 |
14 | b0bb24d |
15 | 749eee7 |
hex | 4f6b925 |
83278117 has 8 divisors (see below), whose sum is σ = 90137600. Its totient is φ = 76483440.
The previous prime is 83278109. The next prime is 83278123. The reversal of 83278117 is 71187238.
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 83278117 - 23 = 83278109 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 (83278417) 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, 13509 + ... + 18682.
It is an arithmetic number, because the mean of its divisors is an integer number (11267200).
Almost surely, 283278117 is an apocalyptic number.
It is an amenable number.
83278117 is a deficient number, since it is larger than the sum of its proper divisors (6859483).
83278117 is a wasteful number, since it uses less digits than its factorization.
83278117 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32403.
The product of its digits is 18816, while the sum is 37.
The square root of 83278117 is about 9125.6844674797. The cubic root of 83278117 is about 436.6937392328.
The spelling of 83278117 in words is "eighty-three million, two hundred seventy-eight thousand, one hundred seventeen".
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