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68806802 = 261955579
BaseRepresentation
bin1000001100111…
…10100010010010
311210110202012002
410012132202102
5120103304202
610454434002
71463563631
oct406364222
9153422162
1068806802
1135926629
121b062902
13113416ac
1491d1518
156092302
hex419e892

68806802 has 8 divisors (see below), whose sum is σ = 103378800. Its totient is φ = 34347204.

The previous prime is 68806799. The next prime is 68806811. The reversal of 68806802 is 20860886.

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, 26552 + ... + 29027.

It is an arithmetic number, because the mean of its divisors is an integer number (12922350).

Almost surely, 268806802 is an apocalyptic number.

68806802 is a deficient number, since it is larger than the sum of its proper divisors (34571998).

68806802 is a wasteful number, since it uses less digits than its factorization.

68806802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56200.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 68806802 is about 8294.9865581567. The cubic root of 68806802 is about 409.7734262716.

The spelling of 68806802 in words is "sixty-eight million, eight hundred six thousand, eight hundred two".

Divisors: 1 2 619 1238 55579 111158 34403401 68806802