Search a number
-
+
12025904 = 241168329
BaseRepresentation
bin101101111000…
…000000110000
3211121222102212
4231320000300
511034312104
61105431252
7204134642
oct55700060
924558385
1012025904
116874270
12403b528
132650a27
141850892
1510c836e
hexb78030

12025904 has 20 divisors (see below), whose sum is σ = 25418760. Its totient is φ = 5466240.

The previous prime is 12025903. The next prime is 12025921. The reversal of 12025904 is 40952021.

It is a self number, because there is not a number n which added to its sum of digits gives 12025904.

It is not an unprimeable number, because it can be changed into a prime (12025903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33989 + ... + 34340.

It is an arithmetic number, because the mean of its divisors is an integer number (1270938).

Almost surely, 212025904 is an apocalyptic number.

It is an amenable number.

12025904 is an abundant number, since it is smaller than the sum of its proper divisors (13392856).

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

12025904 is a wasteful number, since it uses less digits than its factorization.

12025904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68348 (or 68342 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12025904 is about 3467.8385198853. The cubic root of 12025904 is about 229.1074672137.

Adding to 12025904 its reverse (40952021), we get a palindrome (52977925).

The spelling of 12025904 in words is "twelve million, twenty-five thousand, nine hundred four".

Divisors: 1 2 4 8 11 16 22 44 88 176 68329 136658 273316 546632 751619 1093264 1503238 3006476 6012952 12025904