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214122451 is a prime number
BaseRepresentation
bin11001100001100…
…11111111010011
3112220220112210011
430300303333103
5414303404301
633125215351
75210003464
oct1460637723
9486815704
10214122451
11aa959404
125b861557
133549039a
142061ad6b
1513be8a51
hexcc33fd3

214122451 has 2 divisors, whose sum is σ = 214122452. Its totient is φ = 214122450.

The previous prime is 214122449. The next prime is 214122473. The reversal of 214122451 is 154221412.

It is an a-pointer prime, because the next prime (214122473) can be obtained adding 214122451 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214122451 - 21 = 214122449 is a prime.

Together with 214122449, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214122401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107061225 + 107061226.

It is an arithmetic number, because the mean of its divisors is an integer number (107061226).

Almost surely, 2214122451 is an apocalyptic number.

214122451 is a deficient number, since it is larger than the sum of its proper divisors (1).

214122451 is an equidigital number, since it uses as much as digits as its factorization.

214122451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640, while the sum is 22.

The square root of 214122451 is about 14632.9235288100. The cubic root of 214122451 is about 598.2564670997.

Adding to 214122451 its reverse (154221412), we get a palindrome (368343863).

The spelling of 214122451 in words is "two hundred fourteen million, one hundred twenty-two thousand, four hundred fifty-one".