Search a number
-
+
84886213 is a prime number
BaseRepresentation
bin1010000111101…
…00001011000101
312220201122222211
411003310023011
5133212324323
612231223421
72050343446
oct503641305
9186648884
1084886213
1143a092a5
1224517b71
1314781439
14b3b92cd
1576bb70d
hex50f42c5

84886213 has 2 divisors, whose sum is σ = 84886214. Its totient is φ = 84886212.

The previous prime is 84886201. The next prime is 84886229. The reversal of 84886213 is 31268848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44715969 + 40170244 = 6687^2 + 6338^2 .

It is a cyclic number.

It is not a de Polignac number, because 84886213 - 25 = 84886181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84886313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42443106 + 42443107.

It is an arithmetic number, because the mean of its divisors is an integer number (42443107).

Almost surely, 284886213 is an apocalyptic number.

It is an amenable number.

84886213 is a deficient number, since it is larger than the sum of its proper divisors (1).

84886213 is an equidigital number, since it uses as much as digits as its factorization.

84886213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 40.

The square root of 84886213 is about 9213.3714241856. The cubic root of 84886213 is about 439.4866827175.

The spelling of 84886213 in words is "eighty-four million, eight hundred eighty-six thousand, two hundred thirteen".