Base | Representation |
---|---|
bin | 1010000000000… |
… | …00100101010101 |
3 | 12211211222100100 |
4 | 11000000211111 |
5 | 132433412334 |
6 | 12154004313 |
7 | 2036016540 |
oct | 500004525 |
9 | 184758310 |
10 | 83888469 |
11 | 43397715 |
12 | 24116699 |
13 | 144c2262 |
14 | b1d9857 |
15 | 7570c99 |
hex | 5000955 |
83888469 has 24 divisors (see below), whose sum is σ = 138744320. Its totient is φ = 47845728.
The previous prime is 83888459. The next prime is 83888491. The reversal of 83888469 is 96488838.
It is not a de Polignac number, because 83888469 - 217 = 83757397 is a prime.
It is a super-2 number, since 2×838884692 = 14074550462327922, which contains 22 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83888459) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46812 + ... + 48570.
Almost surely, 283888469 is an apocalyptic number.
It is an amenable number.
83888469 is a deficient number, since it is larger than the sum of its proper divisors (54855851).
83888469 is a wasteful number, since it uses less digits than its factorization.
83888469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2529 (or 2526 counting only the distinct ones).
The product of its digits is 2654208, while the sum is 54.
The square root of 83888469 is about 9159.0648540121. The cubic root of 83888469 is about 437.7579979215.
The spelling of 83888469 in words is "eighty-three million, eight hundred eighty-eight thousand, four hundred sixty-nine".
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