Search a number
-
+
12115372 = 227341491
BaseRepresentation
bin101110001101…
…110110101100
3211210112011111
4232031312230
511100142442
61111401404
7204656533
oct56156654
924715144
1012115372
116925505
124083264
132682679
14187531a
1510e4b17
hexb8ddac

12115372 has 12 divisors (see below), whose sum is σ = 21492856. Its totient is φ = 5974560.

The previous prime is 12115351. The next prime is 12115387. The reversal of 12115372 is 27351121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20454 + ... + 21037.

Almost surely, 212115372 is an apocalyptic number.

It is an amenable number.

12115372 is a deficient number, since it is larger than the sum of its proper divisors (9377484).

12115372 is a wasteful number, since it uses less digits than its factorization.

12115372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41568 (or 41566 counting only the distinct ones).

The product of its digits is 420, while the sum is 22.

The square root of 12115372 is about 3480.7142945091. The cubic root of 12115372 is about 229.6742205629.

Adding to 12115372 its reverse (27351121), we get a palindrome (39466493).

The spelling of 12115372 in words is "twelve million, one hundred fifteen thousand, three hundred seventy-two".

Divisors: 1 2 4 73 146 292 41491 82982 165964 3028843 6057686 12115372