Base | Representation |
---|---|
bin | 1001010001000… |
… | …1011110100010 |
3 | 2201010202002211 |
4 | 2110101132202 |
5 | 34422301043 |
6 | 3505032334 |
7 | 651244255 |
oct | 224213642 |
9 | 81122084 |
10 | 38868898 |
11 | 1aa38862 |
12 | 110256aa |
13 | 808ba63 |
14 | 523b09c |
15 | 362ba9d |
hex | 25117a2 |
38868898 has 4 divisors (see below), whose sum is σ = 58303350. Its totient is φ = 19434448.
The previous prime is 38868871. The next prime is 38868899. The reversal of 38868898 is 89886883.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89886883 = 41 ⋅2192363.
It can be written as a sum of positive squares in only one way, i.e., 29669809 + 9199089 = 5447^2 + 3033^2 .
It is not an unprimeable number, because it can be changed into a prime (38868899) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9717223 + ... + 9717226.
Almost surely, 238868898 is an apocalyptic number.
38868898 is a deficient number, since it is larger than the sum of its proper divisors (19434452).
38868898 is a wasteful number, since it uses less digits than its factorization.
38868898 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19434451.
The product of its digits is 5308416, while the sum is 58.
The square root of 38868898 is about 6234.4926016477. The cubic root of 38868898 is about 338.7407223214.
The spelling of 38868898 in words is "thirty-eight million, eight hundred sixty-eight thousand, eight hundred ninety-eight".
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