Base | Representation |
---|---|
bin | 1001111011000… |
… | …11001011101011 |
3 | 12210122012222001 |
4 | 10331203023223 |
5 | 132302300010 |
6 | 12132111431 |
7 | 2030363110 |
oct | 475431353 |
9 | 183565861 |
10 | 83243755 |
11 | 42a972a1 |
12 | 23a65577 |
13 | 1432797a |
14 | b0ac907 |
15 | 7494c3a |
hex | 4f632eb |
83243755 has 16 divisors (see below), whose sum is σ = 114897600. Its totient is φ = 56714112.
The previous prime is 83243707. The next prime is 83243759. The reversal of 83243755 is 55734238.
It is a de Polignac number, because none of the positive numbers 2k-83243755 is a prime.
It is not an unprimeable number, because it can be changed into a prime (83243759) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2080 + ... + 13069.
It is an arithmetic number, because the mean of its divisors is an integer number (7181100).
Almost surely, 283243755 is an apocalyptic number.
83243755 is a deficient number, since it is larger than the sum of its proper divisors (31653845).
83243755 is a wasteful number, since it uses less digits than its factorization.
83243755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15318.
The product of its digits is 100800, while the sum is 37.
The square root of 83243755 is about 9123.8015651372. The cubic root of 83243755 is about 436.6336684917.
The spelling of 83243755 in words is "eighty-three million, two hundred forty-three thousand, seven hundred fifty-five".
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