Base | Representation |
---|---|
bin | 1010000000010… |
… | …01100011111101 |
3 | 12211220211210102 |
4 | 11000021203331 |
5 | 132441101440 |
6 | 12154450445 |
7 | 2036232005 |
oct | 500114375 |
9 | 184824712 |
10 | 83925245 |
11 | 43412308 |
12 | 24133a25 |
13 | 14505c11 |
14 | b209005 |
15 | 757bb15 |
hex | 50098fd |
83925245 has 8 divisors (see below), whose sum is σ = 100812600. Its totient is φ = 67072000.
The previous prime is 83925239. The next prime is 83925263. The reversal of 83925245 is 54252938.
It can be written as a sum of positive squares in 4 ways, for example, as 39262756 + 44662489 = 6266^2 + 6683^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 83925245 - 220 = 82876669 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 83925199 and 83925208.
It is a congruent 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, 2756 + ... + 13245.
It is an arithmetic number, because the mean of its divisors is an integer number (12601575).
Almost surely, 283925245 is an apocalyptic number.
It is an amenable number.
83925245 is a deficient number, since it is larger than the sum of its proper divisors (16887355).
83925245 is a wasteful number, since it uses less digits than its factorization.
83925245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17055.
The product of its digits is 86400, while the sum is 38.
The square root of 83925245 is about 9161.0722625684. The cubic root of 83925245 is about 437.8219583853.
The spelling of 83925245 in words is "eighty-three million, nine hundred twenty-five thousand, two hundred forty-five".
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