Base | Representation |
---|---|
bin | 1001000111111… |
… | …1000111010001 |
3 | 2200000021201221 |
4 | 2101333013101 |
5 | 34244110033 |
6 | 3444125041 |
7 | 643166401 |
oct | 221770721 |
9 | 80007657 |
10 | 38269393 |
11 | 1a6693a8 |
12 | 10996781 |
13 | 7c0bc16 |
14 | 5122801 |
15 | 355e12d |
hex | 247f1d1 |
38269393 has 4 divisors (see below), whose sum is σ = 38415168. Its totient is φ = 38123620.
The previous prime is 38269381. The next prime is 38269457. The reversal of 38269393 is 39396283.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 38269393 - 225 = 4714961 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38269993) 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, 72493 + ... + 73018.
It is an arithmetic number, because the mean of its divisors is an integer number (9603792).
Almost surely, 238269393 is an apocalyptic number.
It is an amenable number.
38269393 is a deficient number, since it is larger than the sum of its proper divisors (145775).
38269393 is a wasteful number, since it uses less digits than its factorization.
38269393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145774.
The product of its digits is 209952, while the sum is 43.
The square root of 38269393 is about 6186.2260708771. The cubic root of 38269393 is about 336.9901378653.
The spelling of 38269393 in words is "thirty-eight million, two hundred sixty-nine thousand, three hundred ninety-three".
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