Search a number
-
+
14630999 = 17860647
BaseRepresentation
bin110111110100…
…000001010111
31000112022221212
4313310001113
512221142444
61241332035
7235234655
oct67640127
930468855
1014630999
118293539
124a9701b
1330536c6
141d2bdd5
15144019e
hexdf4057

14630999 has 4 divisors (see below), whose sum is σ = 15491664. Its totient is φ = 13770336.

The previous prime is 14630981. The next prime is 14631011. The reversal of 14630999 is 99903641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99903641 = 269371389.

It is a cyclic number.

It is not a de Polignac number, because 14630999 - 220 = 13582423 is a prime.

It is a super-2 number, since 2×146309992 = 428132263476002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14630909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430307 + ... + 430340.

It is an arithmetic number, because the mean of its divisors is an integer number (3872916).

Almost surely, 214630999 is an apocalyptic number.

14630999 is a deficient number, since it is larger than the sum of its proper divisors (860665).

14630999 is an equidigital number, since it uses as much as digits as its factorization.

14630999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860664.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 14630999 is about 3825.0488885765. The cubic root of 14630999 is about 244.5820947330.

The spelling of 14630999 in words is "fourteen million, six hundred thirty thousand, nine hundred ninety-nine".

Divisors: 1 17 860647 14630999