Search a number
-
+
14420090 = 251442009
BaseRepresentation
bin110111000000…
…100001111010
31000010121122102
4313000201322
512142420330
61233023402
7233366036
oct67004172
930117572
1014420090
11815a033
1249b4b62
132cab6c9
141cb51c6
1513ec945
hexdc087a

14420090 has 8 divisors (see below), whose sum is σ = 25956180. Its totient is φ = 5768032.

The previous prime is 14420083. The next prime is 14420099. The reversal of 14420090 is 9002441.

It can be written as a sum of positive squares in 2 ways, for example, as 12909649 + 1510441 = 3593^2 + 1229^2 .

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 (14420099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720995 + ... + 721014.

Almost surely, 214420090 is an apocalyptic number.

14420090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14420090 is a deficient number, since it is larger than the sum of its proper divisors (11536090).

14420090 is a wasteful number, since it uses less digits than its factorization.

14420090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442016.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 14420090 is about 3797.3793595057. The cubic root of 14420090 is about 243.4011674687.

The spelling of 14420090 in words is "fourteen million, four hundred twenty thousand, ninety".

Divisors: 1 2 5 10 1442009 2884018 7210045 14420090