Search a number
-
+
14017891 = 471012953
BaseRepresentation
bin110101011110…
…010101100011
3222101011221011
4311132111203
512042033031
61220241351
7230102326
oct65362543
928334834
1014017891
117a04938
124840257
132b9a614
141c0c7bd
15136d6b1
hexd5e563

14017891 has 8 divisors (see below), whose sum is σ = 14462784. Its totient is φ = 13579200.

The previous prime is 14017889. The next prime is 14017901. The reversal of 14017891 is 19871041.

14017891 = 15262 + 15272 + ... + 15312.

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

It is a cyclic number.

It is not a de Polignac number, because 14017891 - 21 = 14017889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14017831) 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, 3271 + ... + 6223.

It is an arithmetic number, because the mean of its divisors is an integer number (1807848).

Almost surely, 214017891 is an apocalyptic number.

14017891 is a deficient number, since it is larger than the sum of its proper divisors (444893).

14017891 is a wasteful number, since it uses less digits than its factorization.

14017891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 14017891 is about 3744.0474088879. The cubic root of 14017891 is about 241.1168490372.

The spelling of 14017891 in words is "fourteen million, seventeen thousand, eight hundred ninety-one".

Divisors: 1 47 101 2953 4747 138791 298253 14017891