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68827071 = 338635939
BaseRepresentation
bin1000001101000…
…11011110111111
311210111202222210
410012203132333
5120104431241
610455111503
71464010005
oct406433677
9153452883
1068827071
113593a885
121b072593
131134a9a1
1491d8a75
156098316
hex41a37bf

68827071 has 8 divisors (see below), whose sum is σ = 91808640. Its totient is φ = 45865112.

The previous prime is 68827061. The next prime is 68827097. The reversal of 68827071 is 17072886.

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 68827071 - 215 = 68794303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68827061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8620 + ... + 14558.

It is an arithmetic number, because the mean of its divisors is an integer number (11476080).

Almost surely, 268827071 is an apocalyptic number.

68827071 is a deficient number, since it is larger than the sum of its proper divisors (22981569).

68827071 is a wasteful number, since it uses less digits than its factorization.

68827071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9805.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 68827071 is about 8296.2082302700. The cubic root of 68827071 is about 409.8136591261.

The spelling of 68827071 in words is "sixty-eight million, eight hundred twenty-seven thousand, seventy-one".

Divisors: 1 3 3863 5939 11589 17817 22942357 68827071