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14422121 = 73192213
BaseRepresentation
bin110111000001…
…000001101001
31000010201102122
4313001001221
512143001441
61233041025
7233405000
oct67010151
930121378
1014422121
11816060a
1249b6175
132cac5cc
141cb5c37
1513ed34b
hexdc1069

14422121 has 16 divisors (see below), whose sum is σ = 17712000. Its totient is φ = 11705904.

The previous prime is 14422097. The next prime is 14422129. The reversal of 14422121 is 12122441.

It is not a de Polignac number, because 14422121 - 222 = 10227817 is a prime.

It is a Duffinian number.

14422121 is a modest number, since divided by 2121 gives 1442 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 14422121.

It is not an unprimeable number, because it can be changed into a prime (14422129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5411 + ... + 7623.

It is an arithmetic number, because the mean of its divisors is an integer number (1107000).

Almost surely, 214422121 is an apocalyptic number.

It is an amenable number.

14422121 is a deficient number, since it is larger than the sum of its proper divisors (3289879).

14422121 is an equidigital number, since it uses as much as digits as its factorization.

14422121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2239 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 14422121 is about 3797.6467713572. The cubic root of 14422121 is about 243.4125942250.

Adding to 14422121 its reverse (12122441), we get a palindrome (26544562).

The spelling of 14422121 in words is "fourteen million, four hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 7 19 49 133 343 931 2213 6517 15491 42047 108437 294329 759059 2060303 14422121