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12202664 = 231525333
BaseRepresentation
bin101110100011…
…001010101000
3211221221220112
4232203022220
511110441124
61113313452
7205502165
oct56431250
924857815
1012202664
116985051
124105888
1326b3316
14189906c
15111090e
hexba32a8

12202664 has 8 divisors (see below), whose sum is σ = 22880010. Its totient is φ = 6101328.

The previous prime is 12202661. The next prime is 12202679. The reversal of 12202664 is 46620221.

It can be written as a sum of positive squares in only one way, i.e., 11628100 + 574564 = 3410^2 + 758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12202661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 762659 + ... + 762674.

Almost surely, 212202664 is an apocalyptic number.

It is an amenable number.

12202664 is a deficient number, since it is larger than the sum of its proper divisors (10677346).

12202664 is a wasteful number, since it uses less digits than its factorization.

12202664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525339 (or 1525335 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 12202664 is about 3493.2311689895. The cubic root of 12202664 is about 230.2245066821.

Adding to 12202664 its reverse (46620221), we get a palindrome (58822885).

The spelling of 12202664 in words is "twelve million, two hundred two thousand, six hundred sixty-four".

Divisors: 1 2 4 8 1525333 3050666 6101332 12202664