Base | Representation |
---|---|
bin | 1001010001011… |
… | …1110100010111 |
3 | 2201012001201210 |
4 | 2110113310113 |
5 | 34424113441 |
6 | 3505352503 |
7 | 651413061 |
oct | 224276427 |
9 | 81161653 |
10 | 38894871 |
11 | 1aa56324 |
12 | 11038733 |
13 | 809a822 |
14 | 5246731 |
15 | 3634616 |
hex | 2517d17 |
38894871 has 8 divisors (see below), whose sum is σ = 52038000. Its totient is φ = 25840832.
The previous prime is 38894857. The next prime is 38894873. The reversal of 38894871 is 17849883.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38894871 - 27 = 38894743 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 38894871.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38894873) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21246 + ... + 23003.
It is an arithmetic number, because the mean of its divisors is an integer number (6504750).
Almost surely, 238894871 is an apocalyptic number.
38894871 is a deficient number, since it is larger than the sum of its proper divisors (13143129).
38894871 is a wasteful number, since it uses less digits than its factorization.
38894871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44545.
The product of its digits is 387072, while the sum is 48.
The square root of 38894871 is about 6236.5752621130. The cubic root of 38894871 is about 338.8161567027.
It can be divided in two parts, 388 and 94871, that added together give a palindrome (95259).
The spelling of 38894871 in words is "thirty-eight million, eight hundred ninety-four thousand, eight hundred seventy-one".
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