Search a number
-
+
68853269 is a prime number
BaseRepresentation
bin1000001101010…
…01111000010101
311210120002221002
410012221320111
5120111301034
610455433045
71464146252
oct406517025
9153502832
1068853269
1135958531
121b085785
13113598a4
149204429
1560a0e7e
hex41a9e15

68853269 has 2 divisors, whose sum is σ = 68853270. Its totient is φ = 68853268.

The previous prime is 68853259. The next prime is 68853293. The reversal of 68853269 is 96235886.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66618244 + 2235025 = 8162^2 + 1495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68853269 is a prime.

It is a super-2 number, since 2×688532692 = 9481545303972722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68853259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34426634 + 34426635.

It is an arithmetic number, because the mean of its divisors is an integer number (34426635).

Almost surely, 268853269 is an apocalyptic number.

It is an amenable number.

68853269 is a deficient number, since it is larger than the sum of its proper divisors (1).

68853269 is an equidigital number, since it uses as much as digits as its factorization.

68853269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 68853269 is about 8297.7869941328. The cubic root of 68853269 is about 409.8656490198.

The spelling of 68853269 in words is "sixty-eight million, eight hundred fifty-three thousand, two hundred sixty-nine".