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68383026 = 2324780831
BaseRepresentation
bin1000001001101…
…11000100110010
311202200012212200
410010313010302
5120001224101
610441404030
71460150265
oct404670462
9152605780
1068383026
11356671a8
121aa99616
131122383a
149120cdc
15600b986
hex4137132

68383026 has 24 divisors (see below), whose sum is σ = 151317504. Its totient is φ = 22309080.

The previous prime is 68383009. The next prime is 68383031. The reversal of 68383026 is 62038386.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 39570 + ... + 41261.

It is an arithmetic number, because the mean of its divisors is an integer number (6304896).

Almost surely, 268383026 is an apocalyptic number.

68383026 is an abundant number, since it is smaller than the sum of its proper divisors (82934478).

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

68383026 is a wasteful number, since it uses less digits than its factorization.

68383026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80886 (or 80883 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 68383026 is about 8269.4030014264. The cubic root of 68383026 is about 408.9304385298.

The spelling of 68383026 in words is "sixty-eight million, three hundred eighty-three thousand, twenty-six".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 846 80831 161662 242493 484986 727479 1454958 3799057 7598114 11397171 22794342 34191513 68383026