Base | Representation |
---|---|
bin | 1001000111111… |
… | …0011100101101 |
3 | 2200000011000001 |
4 | 2101332130231 |
5 | 34244013134 |
6 | 3444104301 |
7 | 643155430 |
oct | 221763455 |
9 | 80004001 |
10 | 38266669 |
11 | 1a667351 |
12 | 10995091 |
13 | 7c0a8cc |
14 | 5121817 |
15 | 355d414 |
hex | 247e72d |
38266669 has 4 divisors (see below), whose sum is σ = 43733344. Its totient is φ = 32799996.
The previous prime is 38266667. The next prime is 38266681. The reversal of 38266669 is 96666283.
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 38266669 - 21 = 38266667 is a prime.
It is a super-2 number, since 2×382666692 = 2928675912711122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38266661) 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, 2733327 + ... + 2733340.
It is an arithmetic number, because the mean of its divisors is an integer number (10933336).
Almost surely, 238266669 is an apocalyptic number.
It is an amenable number.
38266669 is a deficient number, since it is larger than the sum of its proper divisors (5466675).
38266669 is an equidigital number, since it uses as much as digits as its factorization.
38266669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5466674.
The product of its digits is 559872, while the sum is 46.
The square root of 38266669 is about 6186.0059004175. The cubic root of 38266669 is about 336.9821420681.
The spelling of 38266669 in words is "thirty-eight million, two hundred sixty-six thousand, six hundred sixty-nine".
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