Search a number
-
+
13194489 = 371157119
BaseRepresentation
bin110010010101…
…010011111001
3220211100102210
4302111103321
511334210424
61150445333
7220102620
oct62252371
926740383
1013194489
1174a2240
124503849
13296c8b9
141a766b7
151259729
hexc954f9

13194489 has 16 divisors (see below), whose sum is σ = 21934080. Its totient is φ = 6854160.

The previous prime is 13194487. The next prime is 13194521. The reversal of 13194489 is 98449131.

13194489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13194489 - 21 = 13194487 is a prime.

It is a super-2 number, since 2×131944892 = 348189079942242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13194481) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28329 + ... + 28790.

It is an arithmetic number, because the mean of its divisors is an integer number (1370880).

Almost surely, 213194489 is an apocalyptic number.

It is an amenable number.

13194489 is a deficient number, since it is larger than the sum of its proper divisors (8739591).

13194489 is a wasteful number, since it uses less digits than its factorization.

13194489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57140.

The product of its digits is 31104, while the sum is 39.

The square root of 13194489 is about 3632.4219193260. The cubic root of 13194489 is about 236.3002558186.

The spelling of 13194489 in words is "thirteen million, one hundred ninety-four thousand, four hundred eighty-nine".

Divisors: 1 3 7 11 21 33 77 231 57119 171357 399833 628309 1199499 1884927 4398163 13194489