Search a number
-
+
14481993 = 313934729
BaseRepresentation
bin110111001111…
…101001001001
31000020202120010
4313033221021
512201410433
61234222133
7234044361
oct67175111
930222503
1014481993
1181a1599
124a24949
133000936
141ccd9a1
151410e63
hexdcfa49

14481993 has 8 divisors (see below), whose sum is σ = 19448800. Its totient is φ = 9584928.

The previous prime is 14481989. The next prime is 14481997. The reversal of 14481993 is 39918441.

It is an interprime number because it is at equal distance from previous prime (14481989) and next prime (14481997).

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

It is not a de Polignac number, because 14481993 - 22 = 14481989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14481997) 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, 16948 + ... + 17781.

It is an arithmetic number, because the mean of its divisors is an integer number (2431100).

Almost surely, 214481993 is an apocalyptic number.

It is an amenable number.

14481993 is a deficient number, since it is larger than the sum of its proper divisors (4966807).

14481993 is a wasteful number, since it uses less digits than its factorization.

14481993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34871.

The product of its digits is 31104, while the sum is 39.

The square root of 14481993 is about 3805.5213834638. The cubic root of 14481993 is about 243.7489635722.

The spelling of 14481993 in words is "fourteen million, four hundred eighty-one thousand, nine hundred ninety-three".

Divisors: 1 3 139 417 34729 104187 4827331 14481993