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214780507 is a prime number
BaseRepresentation
bin11001100110101…
…00101001011011
3112222010222110121
430303110221123
5414440434012
633151254111
75215414144
oct1463245133
9488128417
10214780507
11100268857
125bb1a337
1335660a76
142074cacb
1513cc8a07
hexccd4a5b

214780507 has 2 divisors, whose sum is σ = 214780508. Its totient is φ = 214780506.

The previous prime is 214780481. The next prime is 214780513. The reversal of 214780507 is 705087412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214780507 is a prime.

It is a super-2 number, since 2×2147805072 = 92261332374354098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214750507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107390253 + 107390254.

It is an arithmetic number, because the mean of its divisors is an integer number (107390254).

Almost surely, 2214780507 is an apocalyptic number.

214780507 is a deficient number, since it is larger than the sum of its proper divisors (1).

214780507 is an equidigital number, since it uses as much as digits as its factorization.

214780507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 214780507 is about 14655.3917381966. The cubic root of 214780507 is about 598.8687081199.

The spelling of 214780507 in words is "two hundred fourteen million, seven hundred eighty thousand, five hundred seven".