Search a number
-
+
14405197 = 106113577
BaseRepresentation
bin110110111100…
…111001001101
31000002212012211
4312330321031
512141431242
61232430421
7233304442
oct66747115
930085184
1014405197
118149924
1249a8411
132ca49b1
141cad9c9
1513e8317
hexdbce4d

14405197 has 4 divisors (see below), whose sum is σ = 14419836. Its totient is φ = 14390560.

The previous prime is 14405189. The next prime is 14405203. The reversal of 14405197 is 79150441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79150441 = 173457517.

It can be written as a sum of positive squares in 2 ways, for example, as 12152196 + 2253001 = 3486^2 + 1501^2 .

It is a cyclic number.

It is not a de Polignac number, because 14405197 - 23 = 14405189 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14405147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5728 + ... + 7849.

It is an arithmetic number, because the mean of its divisors is an integer number (3604959).

Almost surely, 214405197 is an apocalyptic number.

It is an amenable number.

14405197 is a deficient number, since it is larger than the sum of its proper divisors (14639).

14405197 is a wasteful number, since it uses less digits than its factorization.

14405197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14638.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 14405197 is about 3795.4178953048. The cubic root of 14405197 is about 243.3173440840.

The spelling of 14405197 in words is "fourteen million, four hundred five thousand, one hundred ninety-seven".

Divisors: 1 1061 13577 14405197