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68496541 is a prime number
BaseRepresentation
bin1000001010100…
…10110010011101
311202212222120221
410011102302131
5120013342131
610444041341
71461132241
oct405226235
9152788527
1068496541
1135734513
121ab33251
13112633c9
149150421
156030411
hex4152c9d

68496541 has 2 divisors, whose sum is σ = 68496542. Its totient is φ = 68496540.

The previous prime is 68496529. The next prime is 68496563. The reversal of 68496541 is 14569486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52925625 + 15570916 = 7275^2 + 3946^2 .

It is a cyclic number.

It is not a de Polignac number, because 68496541 - 27 = 68496413 is a prime.

It is a super-2 number, since 2×684965412 = 9383552257929362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68496041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34248270 + 34248271.

It is an arithmetic number, because the mean of its divisors is an integer number (34248271).

Almost surely, 268496541 is an apocalyptic number.

It is an amenable number.

68496541 is a deficient number, since it is larger than the sum of its proper divisors (1).

68496541 is an equidigital number, since it uses as much as digits as its factorization.

68496541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 43.

The square root of 68496541 is about 8276.2637101533. The cubic root of 68496541 is about 409.1565866434.

The spelling of 68496541 in words is "sixty-eight million, four hundred ninety-six thousand, five hundred forty-one".