Base | Representation |
---|---|
bin | 1001010000011… |
… | …1011111000001 |
3 | 2201001122221221 |
4 | 2110013133001 |
5 | 34414443334 |
6 | 3504115041 |
7 | 651014035 |
oct | 224073701 |
9 | 81048857 |
10 | 38827969 |
11 | 1aa10034 |
12 | 11005a81 |
13 | 807623b |
14 | 522a1c5 |
15 | 361e8b4 |
hex | 25077c1 |
38827969 has 8 divisors (see below), whose sum is σ = 39748608. Its totient is φ = 37911360.
The previous prime is 38827961. The next prime is 38827973. The reversal of 38827969 is 96972883.
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 38827969 - 23 = 38827961 is a prime.
It is a super-2 number, since 2×388279692 = 3015222353329922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38827961) 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, 27849 + ... + 29209.
It is an arithmetic number, because the mean of its divisors is an integer number (4968576).
Almost surely, 238827969 is an apocalyptic number.
It is an amenable number.
38827969 is a deficient number, since it is larger than the sum of its proper divisors (920639).
38827969 is a wasteful number, since it uses less digits than its factorization.
38827969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2015.
The product of its digits is 1306368, while the sum is 52.
The square root of 38827969 is about 6231.2092726854. The cubic root of 38827969 is about 338.6217824237.
The spelling of 38827969 in words is "thirty-eight million, eight hundred twenty-seven thousand, nine hundred sixty-nine".
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