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68993341 is a prime number
BaseRepresentation
bin1000001110011…
…00000100111101
311210211020001221
410013030010331
5120130241331
610502433341
71465301524
oct407140475
9153736057
1068993341
1135a4379a
121b132851
13113a8581
14923d4bb
1560cc711
hex41cc13d

68993341 has 2 divisors, whose sum is σ = 68993342. Its totient is φ = 68993340.

The previous prime is 68993339. The next prime is 68993347. The reversal of 68993341 is 14339986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67716441 + 1276900 = 8229^2 + 1130^2 .

It is a cyclic number.

It is not a de Polignac number, because 68993341 - 21 = 68993339 is a prime.

It is a super-2 number, since 2×689933412 = 9520162204684562, which contains 22 as substring.

Together with 68993339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68993347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34496670 + 34496671.

It is an arithmetic number, because the mean of its divisors is an integer number (34496671).

Almost surely, 268993341 is an apocalyptic number.

It is an amenable number.

68993341 is a deficient number, since it is larger than the sum of its proper divisors (1).

68993341 is an equidigital number, since it uses as much as digits as its factorization.

68993341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The square root of 68993341 is about 8306.2230285491. The cubic root of 68993341 is about 410.1433981846.

The spelling of 68993341 in words is "sixty-eight million, nine hundred ninety-three thousand, three hundred forty-one".