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68914741 = 710792009
BaseRepresentation
bin1000001101110…
…00111000110101
311210200020020211
410012320320311
5120120232431
610501025421
71464523420
oct406707065
9153606224
1068914741
113599a735
121b0b5271
131137b86c
14921c9b7
1560b42b1
hex41b8e35

68914741 has 8 divisors (see below), whose sum is σ = 79496640. Its totient is φ = 58517088.

The previous prime is 68914711. The next prime is 68914751. The reversal of 68914741 is 14741986.

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

It is not a de Polignac number, because 68914741 - 25 = 68914709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68914694 and 68914703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68914711) 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, 45256 + ... + 46753.

It is an arithmetic number, because the mean of its divisors is an integer number (9937080).

Almost surely, 268914741 is an apocalyptic number.

It is an amenable number.

68914741 is a deficient number, since it is larger than the sum of its proper divisors (10581899).

68914741 is a wasteful number, since it uses less digits than its factorization.

68914741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92123.

The product of its digits is 48384, while the sum is 40.

The square root of 68914741 is about 8301.4902878941. The cubic root of 68914741 is about 409.9875883611.

The spelling of 68914741 in words is "sixty-eight million, nine hundred fourteen thousand, seven hundred forty-one".

Divisors: 1 7 107 749 92009 644063 9844963 68914741