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80307229 is a prime number
BaseRepresentation
bin1001100100101…
…10010000011101
312121010000210211
410302112100131
5131024312404
611545132421
71663412602
oct462262035
9177100724
1080307229
1141371012
1222a8a111
131383a192
14a9466a9
1570b4b04
hex4c9641d

80307229 has 2 divisors, whose sum is σ = 80307230. Its totient is φ = 80307228.

The previous prime is 80307217. The next prime is 80307259. The reversal of 80307229 is 92270308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53319204 + 26988025 = 7302^2 + 5195^2 .

It is a cyclic number.

It is not a de Polignac number, because 80307229 - 25 = 80307197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80307229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80307259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40153614 + 40153615.

It is an arithmetic number, because the mean of its divisors is an integer number (40153615).

Almost surely, 280307229 is an apocalyptic number.

It is an amenable number.

80307229 is a deficient number, since it is larger than the sum of its proper divisors (1).

80307229 is an equidigital number, since it uses as much as digits as its factorization.

80307229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 80307229 is about 8961.4300756074. The cubic root of 80307229 is about 431.4378207567.

The spelling of 80307229 in words is "eighty million, three hundred seven thousand, two hundred twenty-nine".