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13729088 = 26214517
BaseRepresentation
bin110100010111…
…110101000000
3221211111202202
4310113311000
512003312323
61210132332
7224460332
oct64276500
927744682
1013729088
11782795a
1247210a8
132ac9029
141b75452
151312d28
hexd17d40

13729088 has 14 divisors (see below), whose sum is σ = 27243786. Its totient is φ = 6864512.

The previous prime is 13729061. The next prime is 13729099. The reversal of 13729088 is 88092731.

It can be written as a sum of positive squares in only one way, i.e., 6927424 + 6801664 = 2632^2 + 2608^2 .

It is a congruent number.

It is an unprimeable number.

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, 107195 + ... + 107322.

Almost surely, 213729088 is an apocalyptic number.

It is an amenable number.

13729088 is a deficient number, since it is larger than the sum of its proper divisors (13514698).

13729088 is an equidigital number, since it uses as much as digits as its factorization.

13729088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214529 (or 214519 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 13729088 is about 3705.2783970978. The cubic root of 13729088 is about 239.4494789001.

The spelling of 13729088 in words is "thirteen million, seven hundred twenty-nine thousand, eighty-eight".

Divisors: 1 2 4 8 16 32 64 214517 429034 858068 1716136 3432272 6864544 13729088