Search a number
-
+
80860673 is a prime number
BaseRepresentation
bin1001101000111…
…01011000000001
312122011010222202
410310131120001
5131200020143
612005042545
72001206255
oct464353001
9178133882
1080860673
1141709903
12230b6455
13139a206a
14aa4c265
157173ab8
hex4d1d601

80860673 has 2 divisors, whose sum is σ = 80860674. Its totient is φ = 80860672.

The previous prime is 80860657. The next prime is 80860691. The reversal of 80860673 is 37606808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75134224 + 5726449 = 8668^2 + 2393^2 .

It is a cyclic number.

It is not a de Polignac number, because 80860673 - 24 = 80860657 is a prime.

It is not a weakly prime, because it can be changed into another prime (80860603) 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, 40430336 + 40430337.

It is an arithmetic number, because the mean of its divisors is an integer number (40430337).

Almost surely, 280860673 is an apocalyptic number.

It is an amenable number.

80860673 is a deficient number, since it is larger than the sum of its proper divisors (1).

80860673 is an equidigital number, since it uses as much as digits as its factorization.

80860673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 80860673 is about 8992.2562797109. The cubic root of 80860673 is about 432.4266493268.

The spelling of 80860673 in words is "eighty million, eight hundred sixty thousand, six hundred seventy-three".