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214710257 is a prime number
BaseRepresentation
bin11001100110000…
…11011111110001
3112222000102002202
430303003133301
5414431212012
633145552545
75215002266
oct1463033761
9488012082
10214710257
1110021aaa3
125baa5755
1335637ab8
142073126d
1513cb2cc2
hexccc37f1

214710257 has 2 divisors, whose sum is σ = 214710258. Its totient is φ = 214710256.

The previous prime is 214710233. The next prime is 214710259. The reversal of 214710257 is 752017412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210714256 + 3996001 = 14516^2 + 1999^2 .

It is a cyclic number.

It is not a de Polignac number, because 214710257 - 26 = 214710193 is a prime.

It is a super-2 number, since 2×2147102572 = 92200988922012098, which contains 22 as substring.

Together with 214710259, 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 (214710259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107355128 + 107355129.

It is an arithmetic number, because the mean of its divisors is an integer number (107355129).

Almost surely, 2214710257 is an apocalyptic number.

It is an amenable number.

214710257 is a deficient number, since it is larger than the sum of its proper divisors (1).

214710257 is an equidigital number, since it uses as much as digits as its factorization.

214710257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 214710257 is about 14652.9948133479. The cubic root of 214710257 is about 598.8034087204.

Adding to 214710257 its reverse (752017412), we get a palindrome (966727669).

The spelling of 214710257 in words is "two hundred fourteen million, seven hundred ten thousand, two hundred fifty-seven".