Search a number
-
+
14323978 = 218139569
BaseRepresentation
bin110110101001…
…000100001010
3222221201210201
4312221010022
512131331403
61231002414
7232515604
oct66510412
928851721
1014323978
1180a38a9
12496940a
132c76a36
141c8c174
1513ce21d
hexda910a

14323978 has 8 divisors (see below), whose sum is σ = 21605220. Its totient is φ = 7122240.

The previous prime is 14323973. The next prime is 14324003. The reversal of 14323978 is 87932341.

It can be written as a sum of positive squares in 2 ways, for example, as 13227769 + 1096209 = 3637^2 + 1047^2 .

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

It is not an unprimeable number, because it can be changed into a prime (14323973) 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, 19423 + ... + 20146.

Almost surely, 214323978 is an apocalyptic number.

14323978 is a deficient number, since it is larger than the sum of its proper divisors (7281242).

14323978 is a wasteful number, since it uses less digits than its factorization.

14323978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39752.

The product of its digits is 36288, while the sum is 37.

The square root of 14323978 is about 3784.7031587695. The cubic root of 14323978 is about 242.8591934907.

The spelling of 14323978 in words is "fourteen million, three hundred twenty-three thousand, nine hundred seventy-eight".

Divisors: 1 2 181 362 39569 79138 7161989 14323978