Search a number
-
+
13188314 = 297157433
BaseRepresentation
bin110010010011…
…110011011010
3220211000222002
4302103303122
511334011224
61150401002
7220045616
oct62236332
926730862
1013188314
117498637
124500162
132969b49
141a74346
1512579ae
hexc93cda

13188314 has 16 divisors (see below), whose sum is σ = 20160168. Its totient is φ = 6469632.

The previous prime is 13188283. The next prime is 13188323. The reversal of 13188314 is 41388131.

It can be written as a sum of positive squares in 4 ways, for example, as 7102225 + 6086089 = 2665^2 + 2467^2 .

It is a plaindrome in base 15.

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 7 ways as a sum of consecutive naturals, for example, 30242 + ... + 30674.

Almost surely, 213188314 is an apocalyptic number.

13188314 is a deficient number, since it is larger than the sum of its proper divisors (6971854).

13188314 is a wasteful number, since it uses less digits than its factorization.

13188314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its digits is 2304, while the sum is 29.

The square root of 13188314 is about 3631.5718359961. The cubic root of 13188314 is about 236.2633873511.

The spelling of 13188314 in words is "thirteen million, one hundred eighty-eight thousand, three hundred fourteen".

Divisors: 1 2 97 157 194 314 433 866 15229 30458 42001 67981 84002 135962 6594157 13188314