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106660217 is a prime number
BaseRepresentation
bin1100101101110…
…00000101111001
321102200220022102
412112320011321
5204301111332
614330033145
72433411506
oct626700571
9242626272
10106660217
1155230444
122b8787b5
1319136171
14102464ad
15956d062
hex65b8179

106660217 has 2 divisors, whose sum is σ = 106660218. Its totient is φ = 106660216.

The previous prime is 106660207. The next prime is 106660271. The reversal of 106660217 is 712066601.

Together with next prime (106660271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104632441 + 2027776 = 10229^2 + 1424^2 .

It is a cyclic number.

It is not a de Polignac number, because 106660217 - 210 = 106659193 is a prime.

It is a super-2 number, since 2×1066602172 = 22752803780974178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106660217.

It is not a weakly prime, because it can be changed into another prime (106660207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53330108 + 53330109.

It is an arithmetic number, because the mean of its divisors is an integer number (53330109).

Almost surely, 2106660217 is an apocalyptic number.

It is an amenable number.

106660217 is a deficient number, since it is larger than the sum of its proper divisors (1).

106660217 is an equidigital number, since it uses as much as digits as its factorization.

106660217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 106660217 is about 10327.6433420215. The cubic root of 106660217 is about 474.2428817493.

The spelling of 106660217 in words is "one hundred six million, six hundred sixty thousand, two hundred seventeen".