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68628227 is a prime number
BaseRepresentation
bin1000001011100…
…10111100000011
311210010200020012
410011302330003
5120032100402
610450535135
71462221203
oct405627403
9153120205
1068628227
1135814448
121ab974ab
13112ab325
149186403
156059452
hex4172f03

68628227 has 2 divisors, whose sum is σ = 68628228. Its totient is φ = 68628226.

The previous prime is 68628221. The next prime is 68628257. The reversal of 68628227 is 72282686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68628227 - 28 = 68627971 is a prime.

It is not a weakly prime, because it can be changed into another prime (68628221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34314113 + 34314114.

It is an arithmetic number, because the mean of its divisors is an integer number (34314114).

Almost surely, 268628227 is an apocalyptic number.

68628227 is a deficient number, since it is larger than the sum of its proper divisors (1).

68628227 is an equidigital number, since it uses as much as digits as its factorization.

68628227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 68628227 is about 8284.2155331691. The cubic root of 68628227 is about 409.4186227585.

The spelling of 68628227 in words is "sixty-eight million, six hundred twenty-eight thousand, two hundred twenty-seven".