Search a number
-
+
12000038 = 231193549
BaseRepresentation
bin101101110001…
…101100100110
3211120122221212
4231301230212
511033000123
61105111422
7203666351
oct55615446
924518855
1012000038
116856896
124028572
13264201b
141845298
1510c0878
hexb71b26

12000038 has 8 divisors (see below), whose sum is σ = 18580800. Its totient is φ = 5806440.

The previous prime is 12000029. The next prime is 12000073. The reversal of 12000038 is 83000021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11999986 and 12000031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96713 + ... + 96836.

It is an arithmetic number, because the mean of its divisors is an integer number (2322600).

Almost surely, 212000038 is an apocalyptic number.

12000038 is a deficient number, since it is larger than the sum of its proper divisors (6580762).

12000038 is a wasteful number, since it uses less digits than its factorization.

12000038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193582.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12000038 is about 3464.1070999610. The cubic root of 12000038 is about 228.9430901723.

Adding to 12000038 its reverse (83000021), we get a palindrome (95000059).

The spelling of 12000038 in words is "twelve million, thirty-eight", and thus it is an aban number and an uban number.

Divisors: 1 2 31 62 193549 387098 6000019 12000038