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13234169 = 133892617
BaseRepresentation
bin110010011110…
…111111111001
3220220100212102
4302132333321
511341443134
61151353145
7220326404
oct62367771
926810772
1013234169
11751a033
1245227b5
132984990
141a86d3b
15126637e
hexc9eff9

13234169 has 8 divisors (see below), whose sum is σ = 14294280. Its totient is φ = 12180096.

The previous prime is 13234157. The next prime is 13234183. The reversal of 13234169 is 96143231.

It can be written as a sum of positive squares in 4 ways, for example, as 1755625 + 11478544 = 1325^2 + 3388^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13234169 - 212 = 13230073 is a prime.

It is a super-2 number, since 2×132341692 = 350286458241122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13234189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3749 + ... + 6365.

It is an arithmetic number, because the mean of its divisors is an integer number (1786785).

Almost surely, 213234169 is an apocalyptic number.

It is an amenable number.

13234169 is a deficient number, since it is larger than the sum of its proper divisors (1060111).

13234169 is a wasteful number, since it uses less digits than its factorization.

13234169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019.

The product of its digits is 3888, while the sum is 29.

The square root of 13234169 is about 3637.8797396286. The cubic root of 13234169 is about 236.5368952863.

The spelling of 13234169 in words is "thirteen million, two hundred thirty-four thousand, one hundred sixty-nine".

Divisors: 1 13 389 2617 5057 34021 1018013 13234169