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12231008 = 253111229
BaseRepresentation
bin101110101010…
…000101100000
3212000101210022
4232222011200
511112343013
61114053012
7205650626
oct56520540
925011708
1012231008
1169a4379
12411a168
1326c31aa
1418a5516
151119008
hexbaa160

12231008 has 24 divisors (see below), whose sum is σ = 24176880. Its totient is φ = 6090880.

The previous prime is 12231001. The next prime is 12231059. The reversal of 12231008 is 80013221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231001) 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, 9338 + ... + 10566.

It is an arithmetic number, because the mean of its divisors is an integer number (1007370).

Almost surely, 212231008 is an apocalyptic number.

It is an amenable number.

12231008 is a deficient number, since it is larger than the sum of its proper divisors (11945872).

12231008 is a wasteful number, since it uses less digits than its factorization.

12231008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12231008 is about 3497.2858047349. The cubic root of 12231008 is about 230.4026218194.

Adding to 12231008 its reverse (80013221), we get a palindrome (92244229).

The spelling of 12231008 in words is "twelve million, two hundred thirty-one thousand, eight".

Divisors: 1 2 4 8 16 32 311 622 1229 1244 2458 2488 4916 4976 9832 9952 19664 39328 382219 764438 1528876 3057752 6115504 12231008