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68737241 is a prime number
BaseRepresentation
bin1000001100011…
…01100011011001
311210100012202202
410012031203121
5120044042431
610453135545
71463154056
oct406154331
9153305682
1068737241
1135889341
121b02a5b5
1311318b31
1491b402d
15607b8cb
hex418d8d9

68737241 has 2 divisors, whose sum is σ = 68737242. Its totient is φ = 68737240.

The previous prime is 68737217. The next prime is 68737289. The reversal of 68737241 is 14273786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49561600 + 19175641 = 7040^2 + 4379^2 .

It is a cyclic number.

It is not a de Polignac number, because 68737241 - 218 = 68475097 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68737195 and 68737204.

It is not a weakly prime, because it can be changed into another prime (68737211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34368620 + 34368621.

It is an arithmetic number, because the mean of its divisors is an integer number (34368621).

Almost surely, 268737241 is an apocalyptic number.

It is an amenable number.

68737241 is a deficient number, since it is larger than the sum of its proper divisors (1).

68737241 is an equidigital number, since it uses as much as digits as its factorization.

68737241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 68737241 is about 8290.7925435389. The cubic root of 68737241 is about 409.6352913807.

The spelling of 68737241 in words is "sixty-eight million, seven hundred thirty-seven thousand, two hundred forty-one".