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214660489 is a prime number
BaseRepresentation
bin11001100101101…
…11010110001001
3112221220212211111
430302313112021
5414423113424
633144530321
75214404221
oct1462672611
9487825744
10214660489
1110019666a
125ba809a1
133561b254
142071b081
1513ca3194
hexccb7589

214660489 has 2 divisors, whose sum is σ = 214660490. Its totient is φ = 214660488.

The previous prime is 214660483. The next prime is 214660519. The reversal of 214660489 is 984066412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148644864 + 66015625 = 12192^2 + 8125^2 .

It is a cyclic number.

It is not a de Polignac number, because 214660489 - 27 = 214660361 is a prime.

It is not a weakly prime, because it can be changed into another prime (214660483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107330244 + 107330245.

It is an arithmetic number, because the mean of its divisors is an integer number (107330245).

Almost surely, 2214660489 is an apocalyptic number.

It is an amenable number.

214660489 is a deficient number, since it is larger than the sum of its proper divisors (1).

214660489 is an equidigital number, since it uses as much as digits as its factorization.

214660489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 214660489 is about 14651.2964955324. The cubic root of 214660489 is about 598.7571393102.

The spelling of 214660489 in words is "two hundred fourteen million, six hundred sixty thousand, four hundred eighty-nine".