Base | Representation |
---|---|
bin | 1001000111100… |
… | …0011100111101 |
3 | 2122221220022102 |
4 | 2101320130331 |
5 | 34242221414 |
6 | 3443354445 |
7 | 643024013 |
oct | 221703475 |
9 | 78856272 |
10 | 38242109 |
11 | 1a64a954 |
12 | 10982a25 |
13 | 7bcc689 |
14 | 51168b3 |
15 | 3555ede |
hex | 247873d |
38242109 has 8 divisors (see below), whose sum is σ = 38687040. Its totient is φ = 37800000.
The previous prime is 38242103. The next prime is 38242147. The reversal of 38242109 is 90124283.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38242109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38242103) 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, 37397 + ... + 38405.
It is an arithmetic number, because the mean of its divisors is an integer number (4835880).
Almost surely, 238242109 is an apocalyptic number.
It is an amenable number.
38242109 is a deficient number, since it is larger than the sum of its proper divisors (444931).
38242109 is a wasteful number, since it uses less digits than its factorization.
38242109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1411.
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 38242109 is about 6184.0204559817. The cubic root of 38242109 is about 336.9100336000.
The spelling of 38242109 in words is "thirty-eight million, two hundred forty-two thousand, one hundred nine".
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