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80524919 is a prime number
BaseRepresentation
bin1001100110010…
…11011001110111
312121112002102102
410303023121313
5131103244134
611553532315
71665310346
oct463133167
9177462372
1080524919
11414aa622
1222b7409b
13138b52a7
14a9a1b5d
15710937e
hex4ccb677

80524919 has 2 divisors, whose sum is σ = 80524920. Its totient is φ = 80524918.

The previous prime is 80524891. The next prime is 80524931. The reversal of 80524919 is 91942508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80524919 - 216 = 80459383 is a prime.

It is a super-2 number, since 2×805249192 = 12968525159913122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80524979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40262459 + 40262460.

It is an arithmetic number, because the mean of its divisors is an integer number (40262460).

Almost surely, 280524919 is an apocalyptic number.

80524919 is a deficient number, since it is larger than the sum of its proper divisors (1).

80524919 is an equidigital number, since it uses as much as digits as its factorization.

80524919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 80524919 is about 8973.5677965902. The cubic root of 80524919 is about 431.8273040148.

The spelling of 80524919 in words is "eighty million, five hundred twenty-four thousand, nine hundred nineteen".