Search a number
-
+
163434 = 2327239
BaseRepresentation
bin100111111001101010
322022012010
4213321222
520212214
63300350
71250325
oct477152
9268163
10163434
11101877
127a6b6
135950b
14437bc
1533659
hex27e6a

163434 has 8 divisors (see below), whose sum is σ = 326880. Its totient is φ = 54476.

The previous prime is 163433. The next prime is 163469. The reversal of 163434 is 434361.

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

163434 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 163434.

It is not an unprimeable number, because it can be changed into a prime (163433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13614 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (40860).

2163434 is an apocalyptic number.

163434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163434 is a wasteful number, since it uses less digits than its factorization.

163434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27244.

The product of its digits is 864, while the sum is 21.

The square root of 163434 is about 404.2697119498. The cubic root of 163434 is about 54.6739943248.

Adding to 163434 its reverse (434361), we get a palindrome (597795).

The spelling of 163434 in words is "one hundred sixty-three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 27239 54478 81717 163434