Search a number
-
+
84272701 is a prime number
BaseRepresentation
bin1010000010111…
…10011000111101
312212120111102011
411001132120331
5133033211301
612210131221
72042210002
oct501363075
9185514364
1084272701
114362a367
1224280b11
13145c8106
14b2998a9
1575e9a51
hex505e63d

84272701 has 2 divisors, whose sum is σ = 84272702. Its totient is φ = 84272700.

The previous prime is 84272677. The next prime is 84272707. The reversal of 84272701 is 10727248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67667076 + 16605625 = 8226^2 + 4075^2 .

It is a cyclic number.

It is not a de Polignac number, because 84272701 - 211 = 84270653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84272707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42136350 + 42136351.

It is an arithmetic number, because the mean of its divisors is an integer number (42136351).

Almost surely, 284272701 is an apocalyptic number.

It is an amenable number.

84272701 is a deficient number, since it is larger than the sum of its proper divisors (1).

84272701 is an equidigital number, since it uses as much as digits as its factorization.

84272701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 84272701 is about 9180.0163943209. The cubic root of 84272701 is about 438.4253303252.

Adding to 84272701 its reverse (10727248), we get a palindrome (94999949).

The spelling of 84272701 in words is "eighty-four million, two hundred seventy-two thousand, seven hundred one".