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68883413 = 2310329077
BaseRepresentation
bin1000001101100…
…01001111010101
311210121122021112
410012301033111
5120113232123
610500224405
71464333164
oct406611725
9153548245
1068883413
1135979145
121b09b105
131136a521
1492113db
1560a9d78
hex41b13d5

68883413 has 8 divisors (see below), whose sum is σ = 72578688. Its totient is φ = 65246544.

The previous prime is 68883407. The next prime is 68883427. The reversal of 68883413 is 31438886.

It is a happy number.

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 68883413 - 210 = 68882389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68883433) 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, 12170 + ... + 16907.

It is an arithmetic number, because the mean of its divisors is an integer number (9072336).

Almost surely, 268883413 is an apocalyptic number.

It is an amenable number.

68883413 is a deficient number, since it is larger than the sum of its proper divisors (3695275).

68883413 is a wasteful number, since it uses less digits than its factorization.

68883413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29203.

The product of its digits is 110592, while the sum is 41.

The square root of 68883413 is about 8299.6031832853. The cubic root of 68883413 is about 409.9254534306.

It can be divided in two parts, 68883 and 413, that added together give a palindrome (69296).

The spelling of 68883413 in words is "sixty-eight million, eight hundred eighty-three thousand, four hundred thirteen".

Divisors: 1 23 103 2369 29077 668771 2994931 68883413