Search a number
-
+
12104023 = 31338671
BaseRepresentation
bin101110001011…
…000101010111
3211202221121011
4232023011113
511044312043
61111233051
7204611461
oct56130527
924687534
1012104023
116917a28
124078787
13267a459
141871131
1510e159d
hexb8b157

12104023 has 4 divisors (see below), whose sum is σ = 12143008. Its totient is φ = 12065040.

The previous prime is 12104021. The next prime is 12104033. The reversal of 12104023 is 32040121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32040121 = 171884713.

It is a cyclic number.

It is not a de Polignac number, because 12104023 - 21 = 12104021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12103994 and 12104012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104021) by changing a digit.

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, 19023 + ... + 19648.

It is an arithmetic number, because the mean of its divisors is an integer number (3035752).

Almost surely, 212104023 is an apocalyptic number.

12104023 is a deficient number, since it is larger than the sum of its proper divisors (38985).

12104023 is an equidigital number, since it uses as much as digits as its factorization.

12104023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38984.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12104023 is about 3479.0836437200. The cubic root of 12104023 is about 229.6024828551.

Adding to 12104023 its reverse (32040121), we get a palindrome (44144144).

The spelling of 12104023 in words is "twelve million, one hundred four thousand, twenty-three".

Divisors: 1 313 38671 12104023