Search a number
-
+
68958349 is a prime number
BaseRepresentation
bin1000001110000…
…11100010001101
311210202110001221
410013003202031
5120123131344
610502003341
71465064515
oct407034215
9153673057
1068958349
1135a1a479
121b116551
1311395675
149230845
1560c2184
hex41c388d

68958349 has 2 divisors, whose sum is σ = 68958350. Its totient is φ = 68958348.

The previous prime is 68958313. The next prime is 68958359. The reversal of 68958349 is 94385986.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67732900 + 1225449 = 8230^2 + 1107^2 .

It is a cyclic number.

It is not a de Polignac number, because 68958349 - 27 = 68958221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68958296 and 68958305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68958359) 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, 34479174 + 34479175.

It is an arithmetic number, because the mean of its divisors is an integer number (34479175).

Almost surely, 268958349 is an apocalyptic number.

It is an amenable number.

68958349 is a deficient number, since it is larger than the sum of its proper divisors (1).

68958349 is an equidigital number, since it uses as much as digits as its factorization.

68958349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The square root of 68958349 is about 8304.1163888761. The cubic root of 68958349 is about 410.0740477006.

The spelling of 68958349 in words is "sixty-eight million, nine hundred fifty-eight thousand, three hundred forty-nine".