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82800308 = 2220700077
BaseRepresentation
bin1001110111101…
…10111010110100
312202210200200002
410323312322310
5132144102213
612114410432
72023535213
oct473667264
9182720602
1082800308
1142814108
1223890a18
1314200b86
14add507a
157408658
hex4ef6eb4

82800308 has 6 divisors (see below), whose sum is σ = 144900546. Its totient is φ = 41400152.

The previous prime is 82800301. The next prime is 82800331. The reversal of 82800308 is 80300828.

It can be written as a sum of positive squares in only one way, i.e., 63808144 + 18992164 = 7988^2 + 4358^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82800301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10350035 + ... + 10350042.

It is an arithmetic number, because the mean of its divisors is an integer number (24150091).

Almost surely, 282800308 is an apocalyptic number.

It is an amenable number.

82800308 is a deficient number, since it is larger than the sum of its proper divisors (62100238).

82800308 is a wasteful number, since it uses less digits than its factorization.

82800308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20700081 (or 20700079 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 82800308 is about 9099.4674569449. The cubic root of 82800308 is about 435.8569586598.

The spelling of 82800308 in words is "eighty-two million, eight hundred thousand, three hundred eight".

Divisors: 1 2 4 20700077 41400154 82800308