Search a number
-
+
12152268 = 223437507
BaseRepresentation
bin101110010110…
…110111001100
3211212101210000
4232112313030
511102333033
61112244300
7205202232
oct56266714
924771700
1012152268
1169501a7
1240a0690
1326963bb
141884952
151100a13
hexb96dcc

12152268 has 30 divisors (see below), whose sum is σ = 31769276. Its totient is φ = 4050648.

The previous prime is 12152251. The next prime is 12152269. The reversal of 12152268 is 86225121.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12152269) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18430 + ... + 19077.

Almost surely, 212152268 is an apocalyptic number.

12152268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12152268 is an abundant number, since it is smaller than the sum of its proper divisors (19617008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12152268 is a wasteful number, since it uses less digits than its factorization.

12152268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37523 (or 37512 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 12152268 is about 3486.0103270071. The cubic root of 12152268 is about 229.9071332708.

Adding to 12152268 its reverse (86225121), we get a palindrome (98377389).

The spelling of 12152268 in words is "twelve million, one hundred fifty-two thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 37507 75014 112521 150028 225042 337563 450084 675126 1012689 1350252 2025378 3038067 4050756 6076134 12152268