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14228135 = 513720771
BaseRepresentation
bin110110010001…
…101010100111
3222202212022222
4312101222213
512120300020
61224542555
7231636305
oct66215247
928685288
1014228135
118038899
124921a5b
132c4221c
141c65275
1513b0b25
hexd91aa7

14228135 has 8 divisors (see below), whose sum is σ = 17199216. Its totient is φ = 11298880.

The previous prime is 14228129. The next prime is 14228143. The reversal of 14228135 is 53182241.

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

It is not a de Polignac number, because 14228135 - 210 = 14227111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9701 + ... + 11070.

It is an arithmetic number, because the mean of its divisors is an integer number (2149902).

Almost surely, 214228135 is an apocalyptic number.

14228135 is a deficient number, since it is larger than the sum of its proper divisors (2971081).

14228135 is a wasteful number, since it uses less digits than its factorization.

14228135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20913.

The product of its digits is 1920, while the sum is 26.

The square root of 14228135 is about 3772.0200158536. The cubic root of 14228135 is about 242.3163167786.

The spelling of 14228135 in words is "fourteen million, two hundred twenty-eight thousand, one hundred thirty-five".

Divisors: 1 5 137 685 20771 103855 2845627 14228135