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80825802 = 2313470967
BaseRepresentation
bin1001101000101…
…00110111001010
312122002101011020
410310110313022
5131142411202
612004213310
72001002511
oct464246712
9178071136
1080825802
1141695692
122309a236
131398c225
14aa3d678
1571685bc
hex4d14dca

80825802 has 8 divisors (see below), whose sum is σ = 161651616. Its totient is φ = 26941932.

The previous prime is 80825783. The next prime is 80825809. The reversal of 80825802 is 20852808.

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

80825802 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (80825809) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6735478 + ... + 6735489.

It is an arithmetic number, because the mean of its divisors is an integer number (20206452).

Almost surely, 280825802 is an apocalyptic number.

80825802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80825802 is a wasteful number, since it uses less digits than its factorization.

80825802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13470972.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 80825802 is about 8990.3171245513. The cubic root of 80825802 is about 432.3644793528.

The spelling of 80825802 in words is "eighty million, eight hundred twenty-five thousand, eight hundred two".

Divisors: 1 2 3 6 13470967 26941934 40412901 80825802