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214552649 is a prime number
BaseRepresentation
bin11001100100111…
…01000001001001
3112221201101220102
430302131001021
5414411141044
633142335145
75213444633
oct1462350111
9487641812
10214552649
11100122643
125ba2a4b5
13355b113c
14206cda53
1513c8124e
hexcc9d049

214552649 has 2 divisors, whose sum is σ = 214552650. Its totient is φ = 214552648.

The previous prime is 214552633. The next prime is 214552687. The reversal of 214552649 is 946255412.

It is a happy number.

It is an a-pointer prime, because the next prime (214552687) can be obtained adding 214552649 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192321424 + 22231225 = 13868^2 + 4715^2 .

It is a cyclic number.

It is not a de Polignac number, because 214552649 - 24 = 214552633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (214552249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107276324 + 107276325.

It is an arithmetic number, because the mean of its divisors is an integer number (107276325).

Almost surely, 2214552649 is an apocalyptic number.

It is an amenable number.

214552649 is a deficient number, since it is larger than the sum of its proper divisors (1).

214552649 is an equidigital number, since it uses as much as digits as its factorization.

214552649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 214552649 is about 14647.6158128209. The cubic root of 214552649 is about 598.6568557011.

The spelling of 214552649 in words is "two hundred fourteen million, five hundred fifty-two thousand, six hundred forty-nine".