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68753693 = 2329103079
BaseRepresentation
bin1000001100100…
…01100100011101
311210101001100002
410012101210131
5120100104233
610453344045
71463253041
oct406214435
9153331302
1068753693
113589a738
121b038025
1311323478
1491ba021
1560816e8
hex419191d

68753693 has 8 divisors (see below), whose sum is σ = 74217600. Its totient is φ = 63496048.

The previous prime is 68753687. The next prime is 68753719. The reversal of 68753693 is 39635786.

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

It is a cyclic number.

It is not a de Polignac number, because 68753693 - 24 = 68753677 is a prime.

It is a super-2 number, since 2×687536932 = 9454140602276498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68753623) 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 7 ways as a sum of consecutive naturals, for example, 50873 + ... + 52206.

It is an arithmetic number, because the mean of its divisors is an integer number (9277200).

Almost surely, 268753693 is an apocalyptic number.

It is an amenable number.

68753693 is a deficient number, since it is larger than the sum of its proper divisors (5463907).

68753693 is a wasteful number, since it uses less digits than its factorization.

68753693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103131.

The product of its digits is 816480, while the sum is 47.

The square root of 68753693 is about 8291.7846691771. The cubic root of 68753693 is about 409.6679703289.

The spelling of 68753693 in words is "sixty-eight million, seven hundred fifty-three thousand, six hundred ninety-three".

Divisors: 1 23 29 667 103079 2370817 2989291 68753693