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13214632 = 231651829
BaseRepresentation
bin110010011010…
…001110101000
3220212101001211
4302122032220
511340332012
61151122504
7220215424
oct62321650
926771054
1013214632
117506392
124513434
132978b12
141a7db84
1512606a7
hexc9a3a8

13214632 has 8 divisors (see below), whose sum is σ = 24777450. Its totient is φ = 6607312.

The previous prime is 13214623. The next prime is 13214639. The reversal of 13214632 is 23641231.

It can be written as a sum of positive squares in only one way, i.e., 10982596 + 2232036 = 3314^2 + 1494^2 .

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 (13214639) 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, 825907 + ... + 825922.

Almost surely, 213214632 is an apocalyptic number.

It is an amenable number.

13214632 is a deficient number, since it is larger than the sum of its proper divisors (11562818).

13214632 is a wasteful number, since it uses less digits than its factorization.

13214632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651835 (or 1651831 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 13214632 is about 3635.1935299238. The cubic root of 13214632 is about 236.4204417530.

Adding to 13214632 its reverse (23641231), we get a palindrome (36855863).

The spelling of 13214632 in words is "thirteen million, two hundred fourteen thousand, six hundred thirty-two".

Divisors: 1 2 4 8 1651829 3303658 6607316 13214632