Base | Representation |
---|---|
bin | 1001000111111… |
… | …1000100110111 |
3 | 2200000021112020 |
4 | 2101333010313 |
5 | 34244103424 |
6 | 3444124223 |
7 | 643166061 |
oct | 221770467 |
9 | 80007466 |
10 | 38269239 |
11 | 1a669278 |
12 | 10996673 |
13 | 7c0bb28 |
14 | 5122731 |
15 | 355e079 |
hex | 247f137 |
38269239 has 4 divisors (see below), whose sum is σ = 51025656. Its totient is φ = 25512824.
The previous prime is 38269207. The next prime is 38269243. The reversal of 38269239 is 93296283.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 38269239 - 25 = 38269207 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 38269239.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38269039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6378204 + ... + 6378209.
It is an arithmetic number, because the mean of its divisors is an integer number (12756414).
Almost surely, 238269239 is an apocalyptic number.
38269239 is a deficient number, since it is larger than the sum of its proper divisors (12756417).
38269239 is a wasteful number, since it uses less digits than its factorization.
38269239 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12756416.
The product of its digits is 139968, while the sum is 42.
The square root of 38269239 is about 6186.2136238575. The cubic root of 38269239 is about 336.9896858369.
The spelling of 38269239 in words is "thirty-eight million, two hundred sixty-nine thousand, two hundred thirty-nine".
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