Search a number
-
+
12140235 = 325269783
BaseRepresentation
bin101110010011…
…111011001011
3211211210021100
4232103323023
511101441420
61112112443
7205122162
oct56237313
924753240
1012140235
116942158
124095723
132690a93
1418803d9
1510ec190
hexb93ecb

12140235 has 12 divisors (see below), whose sum is σ = 21043152. Its totient is φ = 6474768.

The previous prime is 12140231. The next prime is 12140237. The reversal of 12140235 is 53204121.

It is not a de Polignac number, because 12140235 - 22 = 12140231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12140231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134847 + ... + 134936.

It is an arithmetic number, because the mean of its divisors is an integer number (1753596).

Almost surely, 212140235 is an apocalyptic number.

12140235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12140235 is a deficient number, since it is larger than the sum of its proper divisors (8902917).

12140235 is a wasteful number, since it uses less digits than its factorization.

12140235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269794 (or 269791 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12140235 is about 3484.2840010539. The cubic root of 12140235 is about 229.8312246381.

Adding to 12140235 its reverse (53204121), we get a palindrome (65344356).

The spelling of 12140235 in words is "twelve million, one hundred forty thousand, two hundred thirty-five".

Divisors: 1 3 5 9 15 45 269783 809349 1348915 2428047 4046745 12140235