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68698 = 272701
BaseRepresentation
bin10000110001011010
310111020101
4100301122
54144243
61250014
7404200
oct206132
9114211
1068698
1147683
123390a
1325366
141b070
151554d
hex10c5a

68698 has 12 divisors (see below), whose sum is σ = 120042. Its totient is φ = 29400.

The previous prime is 68687. The next prime is 68699. The reversal of 68698 is 89686.

It can be written as a sum of positive squares in only one way, i.e., 47089 + 21609 = 217^2 + 147^2 .

It is not an unprimeable number, because it can be changed into a prime (68699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253 + ... + 448.

268698 is an apocalyptic number.

68698 is a deficient number, since it is larger than the sum of its proper divisors (51344).

68698 is a wasteful number, since it uses less digits than its factorization.

68698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 710 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 68698 is about 262.1030331759. The cubic root of 68698 is about 40.9557325113.

It can be divided in two parts, 686 and 98, that added together give a square (784 = 282).

The spelling of 68698 in words is "sixty-eight thousand, six hundred ninety-eight".

Divisors: 1 2 7 14 49 98 701 1402 4907 9814 34349 68698