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8077213 is a prime number
BaseRepresentation
bin11110110011111110011101
3120012100212001
4132303332131
54031432323
6445042301
7125440504
oct36637635
916170761
108077213
114617591
122856391
13189a621
14110383b
15a983ad
hex7b3f9d

8077213 has 2 divisors, whose sum is σ = 8077214. Its totient is φ = 8077212.

The previous prime is 8077207. The next prime is 8077217. The reversal of 8077213 is 3127708.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7112889 + 964324 = 2667^2 + 982^2 .

It is a cyclic number.

It is not a de Polignac number, because 8077213 - 29 = 8076701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8077217) 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, 4038606 + 4038607.

It is an arithmetic number, because the mean of its divisors is an integer number (4038607).

Almost surely, 28077213 is an apocalyptic number.

It is an amenable number.

8077213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8077213 is an equidigital number, since it uses as much as digits as its factorization.

8077213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 8077213 is about 2842.0438068404. The cubic root of 8077213 is about 200.6413826097.

The spelling of 8077213 in words is "eight million, seventy-seven thousand, two hundred thirteen".