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14213311 = 719106867
BaseRepresentation
bin110110001110…
…000010111111
3222202002222221
4312032002333
512114311221
61224350211
7231545140
oct66160277
928662887
1014213311
118028742
124915367
132c38558
141c5dac7
1513ab541
hexd8e0bf

14213311 has 8 divisors (see below), whose sum is σ = 17098880. Its totient is φ = 11541528.

The previous prime is 14213299. The next prime is 14213327. The reversal of 14213311 is 11331241.

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 14213311 - 223 = 5824703 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 (14213371) 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, 53301 + ... + 53566.

It is an arithmetic number, because the mean of its divisors is an integer number (2137360).

Almost surely, 214213311 is an apocalyptic number.

14213311 is a deficient number, since it is larger than the sum of its proper divisors (2885569).

14213311 is a wasteful number, since it uses less digits than its factorization.

14213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106893.

The product of its digits is 72, while the sum is 16.

The square root of 14213311 is about 3770.0545088898. The cubic root of 14213311 is about 242.2321327467.

Adding to 14213311 its reverse (11331241), we get a palindrome (25544552).

The spelling of 14213311 in words is "fourteen million, two hundred thirteen thousand, three hundred eleven".

Divisors: 1 7 19 133 106867 748069 2030473 14213311