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68298698 = 2132626873
BaseRepresentation
bin1000001001000…
…10011111001010
311202111221012102
410010202133022
5114441024243
610435513402
71456346366
oct404423712
9152457172
1068298698
1135609906
121aa58862
13111c4340
1490dc2a6
155ee19b8
hex41227ca

68298698 has 8 divisors (see below), whose sum is σ = 110328708. Its totient is φ = 31522464.

The previous prime is 68298697. The next prime is 68298701. The reversal of 68298698 is 89689286.

It can be written as a sum of positive squares in 2 ways, for example, as 67947049 + 351649 = 8243^2 + 593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×682986983 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68298691) 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 in 3 ways as a sum of consecutive naturals, for example, 1313411 + ... + 1313462.

Almost surely, 268298698 is an apocalyptic number.

68298698 is a deficient number, since it is larger than the sum of its proper divisors (42030010).

68298698 is a wasteful number, since it uses less digits than its factorization.

68298698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626888.

The product of its digits is 2985984, while the sum is 56.

The square root of 68298698 is about 8264.3026324064. The cubic root of 68298698 is about 408.7622755964.

The spelling of 68298698 in words is "sixty-eight million, two hundred ninety-eight thousand, six hundred ninety-eight".

Divisors: 1 2 13 26 2626873 5253746 34149349 68298698