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14421619 = 16786357
BaseRepresentation
bin110111000000…
…111001110011
31000010200202001
4313000321303
512142442434
61233034431
7233403352
oct67007163
930120661
1014421619
1181601a3
1249b5a17
132cac304
141cb5999
1513ed114
hexdc0e73

14421619 has 4 divisors (see below), whose sum is σ = 14508144. Its totient is φ = 14335096.

The previous prime is 14421611. The next prime is 14421623. The reversal of 14421619 is 91612441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91612441 = 892310267.

It is a cyclic number.

It is not a de Polignac number, because 14421619 - 23 = 14421611 is a prime.

It is a super-2 number, since 2×144216192 = 415966189162322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14421611) 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 3 ways as a sum of consecutive naturals, for example, 43012 + ... + 43345.

It is an arithmetic number, because the mean of its divisors is an integer number (3627036).

Almost surely, 214421619 is an apocalyptic number.

14421619 is a deficient number, since it is larger than the sum of its proper divisors (86525).

14421619 is an equidigital number, since it uses as much as digits as its factorization.

14421619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86524.

The product of its digits is 1728, while the sum is 28.

The square root of 14421619 is about 3797.5806772207. The cubic root of 14421619 is about 243.4097699862.

The spelling of 14421619 in words is "fourteen million, four hundred twenty-one thousand, six hundred nineteen".

Divisors: 1 167 86357 14421619