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14091291 = 324213719
BaseRepresentation
bin110101110000…
…010000011011
3222111220121200
4311300100123
512101410131
61222005243
7230526324
oct65602033
928456550
1014091291
117a54aa5
124876823
132bc4b56
141c2b44b
1513852e6
hexd7041b

14091291 has 12 divisors (see below), whose sum is σ = 20407920. Its totient is φ = 9369360.

The previous prime is 14091289. The next prime is 14091313. The reversal of 14091291 is 19219041.

It is not a de Polignac number, because 14091291 - 21 = 14091289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14091241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1930 + ... + 5648.

It is an arithmetic number, because the mean of its divisors is an integer number (1700660).

Almost surely, 214091291 is an apocalyptic number.

14091291 is a deficient number, since it is larger than the sum of its proper divisors (6316629).

14091291 is a wasteful number, since it uses less digits than its factorization.

14091291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 14091291 is about 3753.8368371574. The cubic root of 14091291 is about 241.5369592239.

The spelling of 14091291 in words is "fourteen million, ninety-one thousand, two hundred ninety-one".

Divisors: 1 3 9 421 1263 3719 3789 11157 33471 1565699 4697097 14091291