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68058108 = 22328832141
BaseRepresentation
bin1000000111001…
…11101111111100
311202001201011200
410003213233330
5114410324413
610430415500
71454325066
oct403475774
9152051150
1068058108
1135465078
121a961590
131113b991
149078736
155e95573
hex40e7bfc

68058108 has 36 divisors (see below), whose sum is σ = 172311048. Its totient is φ = 22649760.

The previous prime is 68058101. The next prime is 68058139. The reversal of 68058108 is 80185086.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68058101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30718 + ... + 32858.

It is an arithmetic number, because the mean of its divisors is an integer number (4786418).

Almost surely, 268058108 is an apocalyptic number.

It is an amenable number.

68058108 is an abundant number, since it is smaller than the sum of its proper divisors (104252940).

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

68058108 is a wasteful number, since it uses less digits than its factorization.

68058108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 68058108 is about 8249.7338138876. The cubic root of 68058108 is about 408.2817402351.

The spelling of 68058108 in words is "sixty-eight million, fifty-eight thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 883 1766 2141 2649 3532 4282 5298 6423 7947 8564 10596 12846 15894 19269 25692 31788 38538 77076 1890503 3781006 5671509 7562012 11343018 17014527 22686036 34029054 68058108