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13143202 = 221613041
BaseRepresentation
bin110010001000…
…110010100010
3220201202002021
4302020302202
511331040302
61145412054
7216500242
oct62106242
926652067
1013143202
117467756
12449a02a
132952457
141a61b22
151249437
hexc88ca2

13143202 has 8 divisors (see below), whose sum is σ = 19730412. Its totient is φ = 6566400.

The previous prime is 13143197. The next prime is 13143203. The reversal of 13143202 is 20234131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11296321 + 1846881 = 3361^2 + 1359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13143203) 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, 2802 + ... + 5842.

Almost surely, 213143202 is an apocalyptic number.

13143202 is a deficient number, since it is larger than the sum of its proper divisors (6587210).

13143202 is a wasteful number, since it uses less digits than its factorization.

13143202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13143202 is about 3625.3554308509. The cubic root of 13143202 is about 235.9936917781.

Adding to 13143202 its reverse (20234131), we get a palindrome (33377333).

The spelling of 13143202 in words is "thirteen million, one hundred forty-three thousand, two hundred two".

Divisors: 1 2 2161 3041 4322 6082 6571601 13143202