Base | Representation |
---|---|
bin | 1001111001010… |
… | …10111110101001 |
3 | 12210012112011202 |
4 | 10330222332221 |
5 | 132222413140 |
6 | 12123133545 |
7 | 2025413666 |
oct | 474527651 |
9 | 183175152 |
10 | 83013545 |
11 | 4294a33a |
12 | 239742b5 |
13 | 14276c54 |
14 | b04ca6d |
15 | 744b915 |
hex | 4f2afa9 |
83013545 has 8 divisors (see below), whose sum is σ = 99665160. Its totient is φ = 66378240.
The previous prime is 83013523. The next prime is 83013559. The reversal of 83013545 is 54531038.
It can be written as a sum of positive squares in 4 ways, for example, as 512656 + 82500889 = 716^2 + 9083^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 83013545 - 28 = 83013289 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18041 + ... + 22169.
It is an arithmetic number, because the mean of its divisors is an integer number (12458145).
Almost surely, 283013545 is an apocalyptic number.
It is an amenable number.
83013545 is a deficient number, since it is larger than the sum of its proper divisors (16651615).
83013545 is a wasteful number, since it uses less digits than its factorization.
83013545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8155.
The product of its (nonzero) digits is 7200, while the sum is 29.
The square root of 83013545 is about 9111.1769272691. The cubic root of 83013545 is about 436.2307944682.
The spelling of 83013545 in words is "eighty-three million, thirteen thousand, five hundred forty-five".
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