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68753886 = 2334733023
BaseRepresentation
bin1000001100100…
…01100111011110
311210101001121020
410012101213132
5120100111021
610453345010
71463253435
oct406214736
9153331536
1068753886
113589a8a3
121b038166
1311323596
1491ba11c
1560817c6
hex41919de

68753886 has 16 divisors (see below), whose sum is σ = 137908224. Its totient is φ = 22851224.

The previous prime is 68753851. The next prime is 68753887. The reversal of 68753886 is 68835786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68753887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14430 + ... + 18593.

It is an arithmetic number, because the mean of its divisors is an integer number (8619264).

Almost surely, 268753886 is an apocalyptic number.

68753886 is an abundant number, since it is smaller than the sum of its proper divisors (69154338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68753886 is a wasteful number, since it uses less digits than its factorization.

68753886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33375.

The product of its digits is 1935360, while the sum is 51.

The square root of 68753886 is about 8291.7963071942. The cubic root of 68753886 is about 409.6683536578.

The spelling of 68753886 in words is "sixty-eight million, seven hundred fifty-three thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 347 694 1041 2082 33023 66046 99069 198138 11458981 22917962 34376943 68753886