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68589361 is a prime number
BaseRepresentation
bin1000001011010…
…01011100110001
311210001200220201
410011221130301
5120024324421
610450035201
71461666661
oct405513461
9153050821
1068589361
1135798225
121ab78b01
1311296729
1491761a1
15604cb91
hex4169731

68589361 has 2 divisors, whose sum is σ = 68589362. Its totient is φ = 68589360.

The previous prime is 68589349. The next prime is 68589371. The reversal of 68589361 is 16398586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68574961 + 14400 = 8281^2 + 120^2 .

It is a cyclic number.

It is not a de Polignac number, because 68589361 - 27 = 68589233 is a prime.

It is not a weakly prime, because it can be changed into another prime (68589341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34294680 + 34294681.

It is an arithmetic number, because the mean of its divisors is an integer number (34294681).

Almost surely, 268589361 is an apocalyptic number.

It is an amenable number.

68589361 is a deficient number, since it is larger than the sum of its proper divisors (1).

68589361 is an equidigital number, since it uses as much as digits as its factorization.

68589361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 68589361 is about 8281.8694145706. The cubic root of 68589361 is about 409.3413199260.

The spelling of 68589361 in words is "sixty-eight million, five hundred eighty-nine thousand, three hundred sixty-one".