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68828586 = 2341475953
BaseRepresentation
bin1000001101000…
…11110110101010
311210111212001220
410012203312222
5120110003321
610455122510
71464014301
oct406436652
9153455056
1068828586
1135940a32
121b073436
131134b598
1491d9438
1560989c6
hex41a3daa

68828586 has 32 divisors (see below), whose sum is σ = 144039168. Its totient is φ = 21903360.

The previous prime is 68828537. The next prime is 68828593. The reversal of 68828586 is 68582886.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8586 + ... + 14538.

It is an arithmetic number, because the mean of its divisors is an integer number (4501224).

Almost surely, 268828586 is an apocalyptic number.

68828586 is an abundant number, since it is smaller than the sum of its proper divisors (75210582).

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

68828586 is a wasteful number, since it uses less digits than its factorization.

68828586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6046.

The product of its digits is 1474560, while the sum is 51.

The square root of 68828586 is about 8296.2995365404. The cubic root of 68828586 is about 409.8166660008.

The spelling of 68828586 in words is "sixty-eight million, eight hundred twenty-eight thousand, five hundred eighty-six".

Divisors: 1 2 3 6 41 47 82 94 123 141 246 282 1927 3854 5781 5953 11562 11906 17859 35718 244073 279791 488146 559582 732219 839373 1464438 1678746 11471431 22942862 34414293 68828586