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80104459 = 1717332719
BaseRepresentation
bin1001100011001…
…00110000001011
312120201201122211
410301210300023
5131001320314
611540525551
71661606461
oct461446013
9176651584
1080104459
1141242736
12229b08b7
1313798ab6
14a8d2831
1570749c4
hex4c64c0b

80104459 has 8 divisors (see below), whose sum is σ = 84896640. Its totient is φ = 75321216.

The previous prime is 80104421. The next prime is 80104471. The reversal of 80104459 is 95440108.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80104459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80104459.

It is not an unprimeable number, because it can be changed into a prime (80104489) 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 in 7 ways as a sum of consecutive naturals, for example, 28102 + ... + 30820.

It is an arithmetic number, because the mean of its divisors is an integer number (10612080).

Almost surely, 280104459 is an apocalyptic number.

80104459 is a deficient number, since it is larger than the sum of its proper divisors (4792181).

80104459 is a wasteful number, since it uses less digits than its factorization.

80104459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 80104459 is about 8950.1094406717. The cubic root of 80104459 is about 431.0743981832.

The spelling of 80104459 in words is "eighty million, one hundred four thousand, four hundred fifty-nine".

Divisors: 1 17 1733 2719 29461 46223 4712027 80104459