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80803717 is a prime number
BaseRepresentation
bin1001101000011…
…11011110000101
312122001020212021
410310033132011
5131141204332
612003523141
72000551231
oct464173605
9178036767
1080803717
1141680035
12230894b1
1313982167
14aa355c1
157161c97
hex4d0f785

80803717 has 2 divisors, whose sum is σ = 80803718. Its totient is φ = 80803716.

The previous prime is 80803693. The next prime is 80803733. The reversal of 80803717 is 71730808.

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., 74407876 + 6395841 = 8626^2 + 2529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80803717 is a prime.

It is equal to p4713568 and since 80803717 and 4713568 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80800717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40401858 + 40401859.

It is an arithmetic number, because the mean of its divisors is an integer number (40401859).

Almost surely, 280803717 is an apocalyptic number.

It is an amenable number.

80803717 is a deficient number, since it is larger than the sum of its proper divisors (1).

80803717 is an equidigital number, since it uses as much as digits as its factorization.

80803717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 80803717 is about 8989.0887747313. The cubic root of 80803717 is about 432.3250957272.

The spelling of 80803717 in words is "eighty million, eight hundred three thousand, seven hundred seventeen".