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68452201 is a prime number
BaseRepresentation
bin1000001010001…
…11111101101001
311202210201202201
410011013331221
5120010432301
610443100201
71460556046
oct405077551
9152721681
1068452201
1135704174
121ab11661
131124917c
14913c1cd
156022201
hex4147f69

68452201 has 2 divisors, whose sum is σ = 68452202. Its totient is φ = 68452200.

The previous prime is 68452199. The next prime is 68452243. The reversal of 68452201 is 10225486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67240000 + 1212201 = 8200^2 + 1101^2 .

It is a cyclic number.

It is not a de Polignac number, because 68452201 - 21 = 68452199 is a prime.

Together with 68452199, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68452201.

It is not a weakly prime, because it can be changed into another prime (68453201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34226100 + 34226101.

It is an arithmetic number, because the mean of its divisors is an integer number (34226101).

Almost surely, 268452201 is an apocalyptic number.

It is an amenable number.

68452201 is a deficient number, since it is larger than the sum of its proper divisors (1).

68452201 is an equidigital number, since it uses as much as digits as its factorization.

68452201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 68452201 is about 8273.5845315075. The cubic root of 68452201 is about 409.0682808748.

Adding to 68452201 its reverse (10225486), we get a palindrome (78677687).

The spelling of 68452201 in words is "sixty-eight million, four hundred fifty-two thousand, two hundred one".