Search a number
-
+
68451041 is a prime number
BaseRepresentation
bin1000001010001…
…11101011100001
311202210200011202
410011013223201
5120010413131
610443050545
71460552501
oct405075341
9152720152
1068451041
113570330a
121ab10a55
1311248799
14913ba01
156021bcb
hex4147ae1

68451041 has 2 divisors, whose sum is σ = 68451042. Its totient is φ = 68451040.

The previous prime is 68451023. The next prime is 68451067. The reversal of 68451041 is 14015486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37258816 + 31192225 = 6104^2 + 5585^2 .

It is a cyclic number.

It is not a de Polignac number, because 68451041 - 222 = 64256737 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68450995 and 68451013.

It is not a weakly prime, because it can be changed into another prime (68451001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34225520 + 34225521.

It is an arithmetic number, because the mean of its divisors is an integer number (34225521).

Almost surely, 268451041 is an apocalyptic number.

It is an amenable number.

68451041 is a deficient number, since it is larger than the sum of its proper divisors (1).

68451041 is an equidigital number, since it uses as much as digits as its factorization.

68451041 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 29.

The square root of 68451041 is about 8273.5144285847. The cubic root of 68451041 is about 409.0659701535.

The spelling of 68451041 in words is "sixty-eight million, four hundred fifty-one thousand, forty-one".