Base | Representation |
---|---|
bin | 1001111100011… |
… | …01010111001101 |
3 | 12210221222221221 |
4 | 10332031113031 |
5 | 132323312100 |
6 | 12135523341 |
7 | 2032012603 |
oct | 476152715 |
9 | 183858857 |
10 | 83416525 |
11 | 430a5085 |
12 | 23b29551 |
13 | 143884ba |
14 | b115873 |
15 | 74cb01a |
hex | 4f8d5cd |
83416525 has 6 divisors (see below), whose sum is σ = 103436522. Its totient is φ = 66733200.
The previous prime is 83416523. The next prime is 83416559. The reversal of 83416525 is 52561438.
It can be written as a sum of positive squares in 3 ways, for example, as 21353641 + 62062884 = 4621^2 + 7878^2 .
It is not a de Polignac number, because 83416525 - 21 = 83416523 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83416523) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1668306 + ... + 1668355.
Almost surely, 283416525 is an apocalyptic number.
It is an amenable number.
83416525 is a deficient number, since it is larger than the sum of its proper divisors (20019997).
83416525 is a wasteful number, since it uses less digits than its factorization.
83416525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3336671 (or 3336666 counting only the distinct ones).
The product of its digits is 28800, while the sum is 34.
The square root of 83416525 is about 9133.2647503508. The cubic root of 83416525 is about 436.9355332572.
The spelling of 83416525 in words is "eighty-three million, four hundred sixteen thousand, five hundred twenty-five".
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