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14211669 = 34737223
BaseRepresentation
bin110110001101…
…101001010101
3222202000202010
4312031221111
512114233134
61224334433
7231540303
oct66155125
928660663
1014211669
11802748a
124914419
132c37894
141c5d273
1513aace9
hexd8da55

14211669 has 4 divisors (see below), whose sum is σ = 18948896. Its totient is φ = 9474444.

The previous prime is 14211649. The next prime is 14211679. The reversal of 14211669 is 96611241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14211669 - 28 = 14211413 is a prime.

It is a super-2 number, since 2×142116692 = 403943071531122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14211649) 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, 2368609 + ... + 2368614.

It is an arithmetic number, because the mean of its divisors is an integer number (4737224).

Almost surely, 214211669 is an apocalyptic number.

It is an amenable number.

14211669 is a deficient number, since it is larger than the sum of its proper divisors (4737227).

14211669 is an equidigital number, since it uses as much as digits as its factorization.

14211669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737226.

The product of its digits is 2592, while the sum is 30.

The square root of 14211669 is about 3769.8367338653. The cubic root of 14211669 is about 242.2228043906. Note that the first 3 decimals are identical.

It can be divided in two parts, 142 and 11669, that added together give a palindrome (11811).

The spelling of 14211669 in words is "fourteen million, two hundred eleven thousand, six hundred sixty-nine".

Divisors: 1 3 4737223 14211669