Search a number
-
+
86147801 is a prime number
BaseRepresentation
bin1010010001010…
…00001011011001
320000002202120022
411020220023121
5134023212201
612314240225
72064146525
oct510501331
9200082508
1086147801
11446a0133
1224a26075
1314b0373c
14b626d85
15786a41b
hex52282d9

86147801 has 2 divisors, whose sum is σ = 86147802. Its totient is φ = 86147800.

The previous prime is 86147773. The next prime is 86147819. The reversal of 86147801 is 10874168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61387225 + 24760576 = 7835^2 + 4976^2 .

It is a cyclic number.

It is not a de Polignac number, because 86147801 - 210 = 86146777 is a prime.

It is not a weakly prime, because it can be changed into another prime (86147821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43073900 + 43073901.

It is an arithmetic number, because the mean of its divisors is an integer number (43073901).

Almost surely, 286147801 is an apocalyptic number.

It is an amenable number.

86147801 is a deficient number, since it is larger than the sum of its proper divisors (1).

86147801 is an equidigital number, since it uses as much as digits as its factorization.

86147801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 86147801 is about 9281.5839704223. The cubic root of 86147801 is about 441.6532175486.

The spelling of 86147801 in words is "eighty-six million, one hundred forty-seven thousand, eight hundred one".