[go: up one dir, main page]

Search a number
-
+
109471 is a prime number
BaseRepresentation
bin11010101110011111
312120011111
4122232133
512000341
62202451
7634105
oct325637
9176144
10109471
117527a
1253427
133aa9b
142bc75
1522681
hex1ab9f

109471 has 2 divisors, whose sum is σ = 109472. Its totient is φ = 109470.

The previous prime is 109469. The next prime is 109481. The reversal of 109471 is 174901.

It is a weak prime.

It is an emirp because it is prime and its reverse (174901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109471 - 21 = 109469 is a prime.

It is a super-3 number, since 3×1094713 = 3935668498482333, which contains 333 as substring.

Together with 109469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54735 + 54736.

It is an arithmetic number, because the mean of its divisors is an integer number (54736).

2109471 is an apocalyptic number.

109471 is a deficient number, since it is larger than the sum of its proper divisors (1).

109471 is an equidigital number, since it uses as much as digits as its factorization.

109471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 109471 is about 330.8640204072. The cubic root of 109471 is about 47.8372672029.

The spelling of 109471 in words is "one hundred nine thousand, four hundred seventy-one".