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68159094 = 2344325643
BaseRepresentation
bin1000001000000…
…00011001110110
311202020211200220
410010000121312
5114422042334
610432515210
71455225363
oct404003166
9152224626
1068159094
1135523a33
121a9abb06
1311175933
1490a346a
155eb5449
hex4100676

68159094 has 16 divisors (see below), whose sum is σ = 136631232. Its totient is φ = 22667528.

The previous prime is 68159093. The next prime is 68159123. The reversal of 68159094 is 49095186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68159093) 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, 10164 + ... + 15479.

It is an arithmetic number, because the mean of its divisors is an integer number (8539452).

Almost surely, 268159094 is an apocalyptic number.

68159094 is an abundant number, since it is smaller than the sum of its proper divisors (68472138).

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

68159094 is a wasteful number, since it uses less digits than its factorization.

68159094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26091.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 68159094 is about 8255.8521062335. The cubic root of 68159094 is about 408.4835793440.

The spelling of 68159094 in words is "sixty-eight million, one hundred fifty-nine thousand, ninety-four".

Divisors: 1 2 3 6 443 886 1329 2658 25643 51286 76929 153858 11359849 22719698 34079547 68159094