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80417399 is a prime number
BaseRepresentation
bin1001100101100…
…01001001110111
312121022121221012
410302301021313
5131041324044
611551342435
71664352026
oct462611167
9177277835
1080417399
1141436867
1222b21a1b
131387837a
14a9748bd
1570d759e
hex4cb1277

80417399 has 2 divisors, whose sum is σ = 80417400. Its totient is φ = 80417398.

The previous prime is 80417383. The next prime is 80417417. The reversal of 80417399 is 99371408.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80417399 - 24 = 80417383 is a 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 (80417699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40208699 + 40208700.

It is an arithmetic number, because the mean of its divisors is an integer number (40208700).

Almost surely, 280417399 is an apocalyptic number.

80417399 is a deficient number, since it is larger than the sum of its proper divisors (1).

80417399 is an equidigital number, since it uses as much as digits as its factorization.

80417399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 80417399 is about 8967.5748672648. The cubic root of 80417399 is about 431.6350208776.

The spelling of 80417399 in words is "eighty million, four hundred seventeen thousand, three hundred ninety-nine".