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13201346 = 253124541
BaseRepresentation
bin110010010110…
…111111000010
3220211200211202
4302112333002
511334420341
61150541202
7220131614
oct62267702
926750752
1013201346
1174a7404
124507802
132972a62
141a78db4
15125b79b
hexc96fc2

13201346 has 8 divisors (see below), whose sum is σ = 20175804. Its totient is φ = 6476080.

The previous prime is 13201337. The next prime is 13201373. The reversal of 13201346 is 64310231.

It can be written as a sum of positive squares in 2 ways, for example, as 12327121 + 874225 = 3511^2 + 935^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62165 + ... + 62376.

Almost surely, 213201346 is an apocalyptic number.

13201346 is a deficient number, since it is larger than the sum of its proper divisors (6974458).

13201346 is a wasteful number, since it uses less digits than its factorization.

13201346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124596.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 13201346 is about 3633.3656573486. The cubic root of 13201346 is about 236.3411827604.

Adding to 13201346 its reverse (64310231), we get a palindrome (77511577).

The spelling of 13201346 in words is "thirteen million, two hundred one thousand, three hundred forty-six".

Divisors: 1 2 53 106 124541 249082 6600673 13201346