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214349477 is a prime number
BaseRepresentation
bin11001100011010…
…11011010100101
3112221100002012112
430301223122211
5414333140402
633134130405
75211640406
oct1461533245
9487302175
10214349477
11aaaa3a31
125b950a05
133553c814
14206799ad
1513c40e52
hexcc6b6a5

214349477 has 2 divisors, whose sum is σ = 214349478. Its totient is φ = 214349476.

The previous prime is 214349461. The next prime is 214349479. The reversal of 214349477 is 774943412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187991521 + 26357956 = 13711^2 + 5134^2 .

It is a cyclic number.

It is not a de Polignac number, because 214349477 - 24 = 214349461 is a prime.

Together with 214349479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214349479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107174738 + 107174739.

It is an arithmetic number, because the mean of its divisors is an integer number (107174739).

Almost surely, 2214349477 is an apocalyptic number.

It is an amenable number.

214349477 is a deficient number, since it is larger than the sum of its proper divisors (1).

214349477 is an equidigital number, since it uses as much as digits as its factorization.

214349477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 214349477 is about 14640.6788435509. The cubic root of 214349477 is about 598.4678287120.

The spelling of 214349477 in words is "two hundred fourteen million, three hundred forty-nine thousand, four hundred seventy-seven".