Search a number
-
+
68873807 = 89773863
BaseRepresentation
bin1000001101011…
…10111001001111
311210121011002202
410012232321033
5120112430212
610500112115
71464263162
oct406567117
9153534082
1068873807
1135971a02
121b09563b
1311366042
14920bad9
1560a70c2
hex41aee4f

68873807 has 4 divisors (see below), whose sum is σ = 69647760. Its totient is φ = 68099856.

The previous prime is 68873801. The next prime is 68873813. The reversal of 68873807 is 70837886.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (68873801) and next prime (68873813).

It is a cyclic number.

It is not a de Polignac number, because 68873807 - 26 = 68873743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68873801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386843 + ... + 387020.

It is an arithmetic number, because the mean of its divisors is an integer number (17411940).

Almost surely, 268873807 is an apocalyptic number.

68873807 is a deficient number, since it is larger than the sum of its proper divisors (773953).

68873807 is an equidigital number, since it uses as much as digits as its factorization.

68873807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773952.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 68873807 is about 8299.0244607424. The cubic root of 68873807 is about 409.9063974306.

The spelling of 68873807 in words is "sixty-eight million, eight hundred seventy-three thousand, eight hundred seven".

Divisors: 1 89 773863 68873807