Search a number
-
+
12313156 = 2237271307
BaseRepresentation
bin101110111110…
…001001000100
3212011120110211
4232332021010
511123010111
61115525204
7206442262
oct56761104
925146424
1012313156
116a50069
124159804
1327216bb
1418c7432
151133521
hexbbe244

12313156 has 24 divisors (see below), whose sum is σ = 22284416. Its totient is φ = 5948640.

The previous prime is 12313141. The next prime is 12313157. The reversal of 12313156 is 65131321.

It is a happy number.

12313156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123131562 = 303227621360672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12313157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39955 + ... + 40261.

Almost surely, 212313156 is an apocalyptic number.

It is an amenable number.

12313156 is a deficient number, since it is larger than the sum of its proper divisors (9971260).

12313156 is a wasteful number, since it uses less digits than its factorization.

12313156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 617 counting only the distinct ones).

The product of its digits is 540, while the sum is 22.

The square root of 12313156 is about 3509.0106867891. The cubic root of 12313156 is about 230.9172945304.

Adding to 12313156 its reverse (65131321), we get a palindrome (77444477).

It can be divided in two parts, 1231315 and 6, that added together give a palindrome (1231321).

The spelling of 12313156 in words is "twelve million, three hundred thirteen thousand, one hundred fifty-six".

Divisors: 1 2 4 37 74 148 271 307 542 614 1084 1228 10027 11359 20054 22718 40108 45436 83197 166394 332788 3078289 6156578 12313156