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14617021 is a prime number
BaseRepresentation
bin110111110000…
…100110111101
31000111121210011
4313300212331
512220221041
61241143221
7235146136
oct67604675
930447704
1014617021
118283a91
124a8ab11
13304a233
141d26c8d
15143ae81
hexdf09bd

14617021 has 2 divisors, whose sum is σ = 14617022. Its totient is φ = 14617020.

The previous prime is 14617019. The next prime is 14617037. The reversal of 14617021 is 12071641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8491396 + 6125625 = 2914^2 + 2475^2 .

It is a cyclic number.

It is not a de Polignac number, because 14617021 - 21 = 14617019 is a prime.

Together with 14617019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 14616983 and 14617001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14617051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7308510 + 7308511.

It is an arithmetic number, because the mean of its divisors is an integer number (7308511).

Almost surely, 214617021 is an apocalyptic number.

It is an amenable number.

14617021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14617021 is an equidigital number, since it uses as much as digits as its factorization.

14617021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 14617021 is about 3823.2212857746. The cubic root of 14617021 is about 244.5041812147.

Adding to 14617021 its reverse (12071641), we get a palindrome (26688662).

The spelling of 14617021 in words is "fourteen million, six hundred seventeen thousand, twenty-one".