Base | Representation |
---|---|
bin | 1001010001000… |
… | …1000011000010 |
3 | 2201010122200122 |
4 | 2110101003002 |
5 | 34422222023 |
6 | 3505020242 |
7 | 651236162 |
oct | 224210302 |
9 | 81118618 |
10 | 38867138 |
11 | 1aa37502 |
12 | 11024682 |
13 | 808b00b |
14 | 523a5a2 |
15 | 362b2c8 |
hex | 25110c2 |
38867138 has 8 divisors (see below), whose sum is σ = 58528332. Its totient is φ = 19357696.
The previous prime is 38867119. The next prime is 38867159. The reversal of 38867138 is 83176883.
It can be written as a sum of positive squares in 2 ways, for example, as 37246609 + 1620529 = 6103^2 + 1273^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×388671382 = 3021308832622088, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37295 + ... + 38322.
Almost surely, 238867138 is an apocalyptic number.
38867138 is a deficient number, since it is larger than the sum of its proper divisors (19661194).
38867138 is a wasteful number, since it uses less digits than its factorization.
38867138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75876.
The product of its digits is 193536, while the sum is 44.
The square root of 38867138 is about 6234.3514498302. The cubic root of 38867138 is about 338.7356094702.
The spelling of 38867138 in words is "thirty-eight million, eight hundred sixty-seven thousand, one hundred thirty-eight".
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