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14212331 = 78212473
BaseRepresentation
bin110110001101…
…110011101011
3222202001122122
4312031303223
512114243311
61224341455
7231542240
oct66156353
928661578
1014212331
118027a31
12491488b
132c37c83
141c5d5c7
1513ab0db
hexd8dceb

14212331 has 8 divisors (see below), whose sum is σ = 16269024. Its totient is φ = 12162240.

The previous prime is 14212313. The next prime is 14212351. The reversal of 14212331 is 13321241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14212331 - 26 = 14212267 is a prime.

It is a super-2 number, since 2×142123312 = 403980704907122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14212351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4511 + ... + 6983.

It is an arithmetic number, because the mean of its divisors is an integer number (2033628).

Almost surely, 214212331 is an apocalyptic number.

14212331 is a deficient number, since it is larger than the sum of its proper divisors (2056693).

14212331 is an equidigital number, since it uses as much as digits as its factorization.

14212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301.

The product of its digits is 144, while the sum is 17.

The square root of 14212331 is about 3769.9245350537. The cubic root of 14212331 is about 242.2265653612.

Adding to 14212331 its reverse (13321241), we get a palindrome (27533572).

The spelling of 14212331 in words is "fourteen million, two hundred twelve thousand, three hundred thirty-one".

Divisors: 1 7 821 2473 5747 17311 2030333 14212331