Base | Representation |
---|---|
bin | 1001111001101… |
… | …10100111101001 |
3 | 12210021221120200 |
4 | 10330312213221 |
5 | 132230424400 |
6 | 12124142413 |
7 | 2026003002 |
oct | 474664751 |
9 | 183257520 |
10 | 83061225 |
11 | 42982145 |
12 | 23997a09 |
13 | 14292870 |
14 | b0621a9 |
15 | 745ab00 |
hex | 4f369e9 |
83061225 has 72 divisors (see below), whose sum is σ = 162828120. Its totient is φ = 40227840.
The previous prime is 83061193. The next prime is 83061227. The reversal of 83061225 is 52216038.
It can be written as a sum of positive squares in 12 ways, for example, as 45643536 + 37417689 = 6756^2 + 6117^2 .
It is not a de Polignac number, because 83061225 - 25 = 83061193 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83061227) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 213331 + ... + 213719.
Almost surely, 283061225 is an apocalyptic number.
It is an amenable number.
83061225 is a deficient number, since it is larger than the sum of its proper divisors (79766895).
83061225 is a wasteful number, since it uses less digits than its factorization.
83061225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 491 (or 483 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 83061225 is about 9113.7931181260. The cubic root of 83061225 is about 436.3142969191.
The spelling of 83061225 in words is "eighty-three million, sixty-one thousand, two hundred twenty-five".
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