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68890322 = 258692
BaseRepresentation
bin1000001101100…
…10111011010010
311210121222202102
410012302323102
5120113442242
610500320402
71464362264
oct406627322
9153558672
1068890322
1135983356
121b0a3102
1311370707
149213b34
1560abe32
hex41b2ed2

68890322 has 6 divisors (see below), whose sum is σ = 103353093. Its totient is φ = 34439292.

The previous prime is 68890279. The next prime is 68890331. The reversal of 68890322 is 22309886.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54745201 + 14145121 = 7399^2 + 3761^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=5869.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 8804 + ... + 14672.

Almost surely, 268890322 is an apocalyptic number.

68890322 is a deficient number, since it is larger than the sum of its proper divisors (34462771).

68890322 is an frugal number, since it uses more digits than its factorization.

68890322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11740 (or 5871 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 68890322 is about 8300.0193975677. The cubic root of 68890322 is about 409.9391581342.

Multiplying 68890322 by its product of nonzero digits (41472), we get a square (2857019433984 = 16902722).

The spelling of 68890322 in words is "sixty-eight million, eight hundred ninety thousand, three hundred twenty-two".

Divisors: 1 2 5869 11738 34445161 68890322