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12240202 = 213736449
BaseRepresentation
bin101110101100…
…010101001010
3212000212101211
4232230111022
511113141302
61114203334
7206016502
oct56542512
925025354
1012240202
116a00277
12412354a
1326c7430
1418a8a02
15111bad7
hexbac54a

12240202 has 16 divisors (see below), whose sum is σ = 20046600. Its totient is φ = 5571072.

The previous prime is 12240197. The next prime is 12240203. The reversal of 12240202 is 20204221.

12240202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11498881 + 741321 = 3391^2 + 861^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (12240203) 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, 1327 + ... + 5122.

Almost surely, 212240202 is an apocalyptic number.

12240202 is a deficient number, since it is larger than the sum of its proper divisors (7806398).

12240202 is a wasteful number, since it uses less digits than its factorization.

12240202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 12240202 is about 3498.6000057166. The cubic root of 12240202 is about 230.4603382712.

Adding to 12240202 its reverse (20204221), we get a palindrome (32444423).

The spelling of 12240202 in words is "twelve million, two hundred forty thousand, two hundred two".

Divisors: 1 2 13 26 73 146 949 1898 6449 12898 83837 167674 470777 941554 6120101 12240202