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68815094 = 2534991301
BaseRepresentation
bin1000001101000…
…00100011110110
311210111011120012
410012200203312
5120104040334
610454540222
71463630045
oct406404366
9153434505
1068815094
1135931887
121b067672
13113453ba
1491d455c
1560949ce
hex41a08f6

68815094 has 16 divisors (see below), whose sum is σ = 105462000. Its totient is φ = 33664800.

The previous prime is 68815081. The next prime is 68815121. The reversal of 68815094 is 49051886.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52244 + ... + 53544.

It is an arithmetic number, because the mean of its divisors is an integer number (6591375).

Almost surely, 268815094 is an apocalyptic number.

68815094 is a deficient number, since it is larger than the sum of its proper divisors (36646906).

68815094 is a wasteful number, since it uses less digits than its factorization.

68815094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 68815094 is about 8295.4863630772. The cubic root of 68815094 is about 409.7898863922.

The spelling of 68815094 in words is "sixty-eight million, eight hundred fifteen thousand, ninety-four".

Divisors: 1 2 53 106 499 998 1301 2602 26447 52894 68953 137906 649199 1298398 34407547 68815094