Base | Representation |
---|---|
bin | 1001001110011… |
… | …0010110111111 |
3 | 2200210202211200 |
4 | 2103212112333 |
5 | 34401123122 |
6 | 3501150543 |
7 | 646610334 |
oct | 223462677 |
9 | 80722750 |
10 | 38692287 |
11 | 1a9280a7 |
12 | 10b5b453 |
13 | 802955a |
14 | 51d298b |
15 | 35e45ac |
hex | 24e65bf |
38692287 has 12 divisors (see below), whose sum is σ = 55954080. Its totient is φ = 25764768.
The previous prime is 38692267. The next prime is 38692301. The reversal of 38692287 is 78229683.
It is not a de Polignac number, because 38692287 - 26 = 38692223 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38692237) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7914 + ... + 11832.
It is an arithmetic number, because the mean of its divisors is an integer number (4662840).
Almost surely, 238692287 is an apocalyptic number.
38692287 is a deficient number, since it is larger than the sum of its proper divisors (17261793).
38692287 is a wasteful number, since it uses less digits than its factorization.
38692287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5022 (or 5019 counting only the distinct ones).
The product of its digits is 290304, while the sum is 45.
The square root of 38692287 is about 6220.3124519593. The cubic root of 38692287 is about 338.2268909472.
The spelling of 38692287 in words is "thirty-eight million, six hundred ninety-two thousand, two hundred eighty-seven".
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