Base | Representation |
---|---|
bin | 1001010000010… |
… | …0011000010000 |
3 | 2201001000111210 |
4 | 2110010120100 |
5 | 34414041443 |
6 | 3503540120 |
7 | 650631663 |
oct | 224043020 |
9 | 81030453 |
10 | 38815248 |
11 | 1aa0151a |
12 | 10bba640 |
13 | 8070504 |
14 | 52256da |
15 | 361ac33 |
hex | 2504610 |
38815248 has 20 divisors (see below), whose sum is σ = 100272848. Its totient is φ = 12938400.
The previous prime is 38815247. The next prime is 38815261. The reversal of 38815248 is 84251883.
38815248 is nontrivially palindromic in base 5.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (38815243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404278 + ... + 404373.
Almost surely, 238815248 is an apocalyptic number.
It is an amenable number.
38815248 is an abundant number, since it is smaller than the sum of its proper divisors (61457600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38815248 is a wasteful number, since it uses less digits than its factorization.
38815248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 808662 (or 808656 counting only the distinct ones).
The product of its digits is 61440, while the sum is 39.
The square root of 38815248 is about 6230.1884401678. The cubic root of 38815248 is about 338.5847981027.
The spelling of 38815248 in words is "thirty-eight million, eight hundred fifteen thousand, two hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •