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80134469 is a prime number
BaseRepresentation
bin1001100011011…
…00000101000101
312120210020211022
410301230011011
5131003300334
611541320525
71662063122
oct461540505
9176706738
1080134469
1141263238
1222a06145
13137a965c
14a8dd749
15707d82e
hex4c6c145

80134469 has 2 divisors, whose sum is σ = 80134470. Its totient is φ = 80134468.

The previous prime is 80134433. The next prime is 80134471. The reversal of 80134469 is 96443108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55681444 + 24453025 = 7462^2 + 4945^2 .

It is a cyclic number.

It is not a de Polignac number, because 80134469 - 220 = 79085893 is a prime.

It is a super-2 number, since 2×801344692 = 12843066243823922, which contains 22 as substring.

Together with 80134471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80134409) 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, 40067234 + 40067235.

It is an arithmetic number, because the mean of its divisors is an integer number (40067235).

Almost surely, 280134469 is an apocalyptic number.

It is an amenable number.

80134469 is a deficient number, since it is larger than the sum of its proper divisors (1).

80134469 is an equidigital number, since it uses as much as digits as its factorization.

80134469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 80134469 is about 8951.7857994927. The cubic root of 80134469 is about 431.1282234329.

The spelling of 80134469 in words is "eighty million, one hundred thirty-four thousand, four hundred sixty-nine".