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14089221 = 34312181
BaseRepresentation
bin110101101111…
…110000000101
3222111210210000
4311233300011
512101323341
61221551513
7230520306
oct65576005
928453700
1014089221
117a53493
124875599
132bc3c23
141c2a7ad
1513848b6
hexd6fc05

14089221 has 30 divisors (see below), whose sum is σ = 21867846. Its totient is φ = 9039600.

The previous prime is 14089213. The next prime is 14089247. The reversal of 14089221 is 12298041.

14089221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7784100 + 6305121 = 2790^2 + 2511^2 .

It is not a de Polignac number, because 14089221 - 23 = 14089213 is a prime.

It is a super-2 number, since 2×140892212 = 397012296773682, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14089211) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 77751 + ... + 77931.

Almost surely, 214089221 is an apocalyptic number.

It is an amenable number.

14089221 is a deficient number, since it is larger than the sum of its proper divisors (7778625).

14089221 is an equidigital number, since it uses as much as digits as its factorization.

14089221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 14089221 is about 3753.5611091336. The cubic root of 14089221 is about 241.5251314458.

The spelling of 14089221 in words is "fourteen million, eighty-nine thousand, two hundred twenty-one".

Divisors: 1 3 9 27 31 81 93 181 279 543 837 961 1629 2511 2883 4887 5611 8649 14661 16833 25947 50499 77841 151497 173941 454491 521823 1565469 4696407 14089221