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214545349 is a prime number
BaseRepresentation
bin11001100100110…
…11001111000101
3112221201000220001
430302123033011
5414410422344
633142241301
75213414434
oct1462331705
9487630801
10214545349
11100118107
125ba26231
13355aaa15
14206cb11b
1513c7ded4
hexcc9b3c5

214545349 has 2 divisors, whose sum is σ = 214545350. Its totient is φ = 214545348.

The previous prime is 214545341. The next prime is 214545407. The reversal of 214545349 is 943545412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190633249 + 23912100 = 13807^2 + 4890^2 .

It is a cyclic number.

It is not a de Polignac number, because 214545349 - 23 = 214545341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214545341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107272674 + 107272675.

It is an arithmetic number, because the mean of its divisors is an integer number (107272675).

Almost surely, 2214545349 is an apocalyptic number.

It is an amenable number.

214545349 is a deficient number, since it is larger than the sum of its proper divisors (1).

214545349 is an equidigital number, since it uses as much as digits as its factorization.

214545349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 214545349 is about 14647.3666233900. The cubic root of 214545349 is about 598.6500660007.

The spelling of 214545349 in words is "two hundred fourteen million, five hundred forty-five thousand, three hundred forty-nine".