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68526994 = 2257133321
BaseRepresentation
bin1000001010110…
…10001110010010
311202221112100211
410011122032102
5120020330434
610444434334
71461320104
oct405321622
9152845324
1068526994
1135755388
121ab489aa
1311274223
14915b574
156039464
hex415a392

68526994 has 8 divisors (see below), whose sum is σ = 103191228. Its totient is φ = 34129920.

The previous prime is 68526961. The next prime is 68527001. The reversal of 68526994 is 49962586.

It can be written as a sum of positive squares in 2 ways, for example, as 49491225 + 19035769 = 7035^2 + 4363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 66147 + ... + 67174.

Almost surely, 268526994 is an apocalyptic number.

68526994 is a deficient number, since it is larger than the sum of its proper divisors (34664234).

68526994 is a wasteful number, since it uses less digits than its factorization.

68526994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133580.

The product of its digits is 933120, while the sum is 49.

The square root of 68526994 is about 8278.1032851735. The cubic root of 68526994 is about 409.2172135464.

The spelling of 68526994 in words is "sixty-eight million, five hundred twenty-six thousand, nine hundred ninety-four".

Divisors: 1 2 257 514 133321 266642 34263497 68526994