Search a number
-
+
68374589 is a prime number
BaseRepresentation
bin1000001001101…
…01000000111101
311202122210022012
410010311000331
5120000441324
610441301005
71460113553
oct404650075
9152583265
1068374589
1135660928
121aa94765
131121ca4a
14911bbd3
15600920e
hex413503d

68374589 has 2 divisors, whose sum is σ = 68374590. Its totient is φ = 68374588.

The previous prime is 68374583. The next prime is 68374619. The reversal of 68374589 is 98547386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40896025 + 27478564 = 6395^2 + 5242^2 .

It is a cyclic number.

It is not a de Polignac number, because 68374589 - 24 = 68374573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68374583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34187294 + 34187295.

It is an arithmetic number, because the mean of its divisors is an integer number (34187295).

Almost surely, 268374589 is an apocalyptic number.

It is an amenable number.

68374589 is a deficient number, since it is larger than the sum of its proper divisors (1).

68374589 is an equidigital number, since it uses as much as digits as its factorization.

68374589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The square root of 68374589 is about 8268.8928521296. The cubic root of 68374589 is about 408.9136200872.

The spelling of 68374589 in words is "sixty-eight million, three hundred seventy-four thousand, five hundred eighty-nine".