Base | Representation |
---|---|
bin | 1001000111100… |
… | …1111000100001 |
3 | 2122222012100110 |
4 | 2101321320201 |
5 | 34242413334 |
6 | 3443441533 |
7 | 643050054 |
oct | 221717041 |
9 | 78865313 |
10 | 38247969 |
11 | 1a6542a1 |
12 | 109862a9 |
13 | 7c02246 |
14 | 5118a9b |
15 | 3557ae9 |
hex | 2479e21 |
38247969 has 8 divisors (see below), whose sum is σ = 53681440. Its totient is φ = 24156576.
The previous prime is 38247959. The next prime is 38247971. The reversal of 38247969 is 96974283.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38247969 - 24 = 38247953 is a prime.
It is a super-2 number, since 2×382479692 = 2925814265249922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38247949) 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, 335452 + ... + 335565.
It is an arithmetic number, because the mean of its divisors is an integer number (6710180).
Almost surely, 238247969 is an apocalyptic number.
It is an amenable number.
38247969 is a deficient number, since it is larger than the sum of its proper divisors (15433471).
38247969 is a wasteful number, since it uses less digits than its factorization.
38247969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 671039.
The product of its digits is 653184, while the sum is 48.
The square root of 38247969 is about 6184.4942396287. The cubic root of 38247969 is about 336.9272414372.
The spelling of 38247969 in words is "thirty-eight million, two hundred forty-seven thousand, nine hundred sixty-nine".
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