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14381311 = 713115683
BaseRepresentation
bin110110110111…
…000011111111
31000001122110011
4312313003333
512140200221
61232124051
7233145010
oct66670377
930048404
1014381311
11813298a
124996627
132c96b69
141ca5007
1513e11e1
hexdb70ff

14381311 has 8 divisors (see below), whose sum is σ = 16562304. Its totient is φ = 12231960.

The previous prime is 14381293. The next prime is 14381321. The reversal of 14381311 is 11318341.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14381311 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 (14381321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6925 + ... + 8758.

It is an arithmetic number, because the mean of its divisors is an integer number (2070288).

Almost surely, 214381311 is an apocalyptic number.

14381311 is a deficient number, since it is larger than the sum of its proper divisors (2180993).

14381311 is a wasteful number, since it uses less digits than its factorization.

14381311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15821.

The product of its digits is 288, while the sum is 22.

The square root of 14381311 is about 3792.2699007323. The cubic root of 14381311 is about 243.1827840043.

Adding to 14381311 its reverse (11318341), we get a palindrome (25699652).

The spelling of 14381311 in words is "fourteen million, three hundred eighty-one thousand, three hundred eleven".

Divisors: 1 7 131 917 15683 109781 2054473 14381311