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78463 = 7111019
BaseRepresentation
bin10011001001111111
310222122001
4103021333
510002323
61403131
7444520
oct231177
9128561
1078463
1153a50
12394a7
1329938
1420847
15183ad
hex1327f

78463 has 8 divisors (see below), whose sum is σ = 97920. Its totient is φ = 61080.

The previous prime is 78439. The next prime is 78467. The reversal of 78463 is 36487.

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

It is a cyclic number.

It is not a de Polignac number, because 78463 - 29 = 77951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78467) 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, 433 + ... + 586.

It is an arithmetic number, because the mean of its divisors is an integer number (12240).

278463 is an apocalyptic number.

78463 is a deficient number, since it is larger than the sum of its proper divisors (19457).

78463 is a wasteful number, since it uses less digits than its factorization.

78463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037.

The product of its digits is 4032, while the sum is 28.

The square root of 78463 is about 280.1124774086. The cubic root of 78463 is about 42.8109603048.

The spelling of 78463 in words is "seventy-eight thousand, four hundred sixty-three".

Divisors: 1 7 11 77 1019 7133 11209 78463