Search a number
-
+
14023639 = 711317729
BaseRepresentation
bin110101011111…
…101111010111
3222101110211001
4311133233113
512042224024
61220324131
7230125150
oct65375727
928343731
1014023639
117a09193
124843647
132ba0116
141c10927
151370244
hexd5fbd7

14023639 has 8 divisors (see below), whose sum is σ = 16169760. Its totient is φ = 11913216.

The previous prime is 14023637. The next prime is 14023643. The reversal of 14023639 is 93632041.

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

It is not a de Polignac number, because 14023639 - 21 = 14023637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14023637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8074 + ... + 9655.

It is an arithmetic number, because the mean of its divisors is an integer number (2021220).

Almost surely, 214023639 is an apocalyptic number.

14023639 is a deficient number, since it is larger than the sum of its proper divisors (2146121).

14023639 is a wasteful number, since it uses less digits than its factorization.

14023639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17849.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 14023639 is about 3744.8149486991. The cubic root of 14023639 is about 241.1498009807.

It can be divided in two parts, 1402 and 3639, that added together give a square (5041 = 712).

The spelling of 14023639 in words is "fourteen million, twenty-three thousand, six hundred thirty-nine".

Divisors: 1 7 113 791 17729 124103 2003377 14023639