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78485 = 5111427
BaseRepresentation
bin10011001010010101
310222122212
4103022111
510002420
61403205
7444551
oct231225
9128585
1078485
1153a70
1239505
1329954
1420861
15183c5
hex13295

78485 has 8 divisors (see below), whose sum is σ = 102816. Its totient is φ = 57040.

The previous prime is 78479. The next prime is 78487. The reversal of 78485 is 58487.

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

It is not a de Polignac number, because 78485 - 28 = 78229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659 + ... + 768.

It is an arithmetic number, because the mean of its divisors is an integer number (12852).

278485 is an apocalyptic number.

It is an amenable number.

78485 is a deficient number, since it is larger than the sum of its proper divisors (24331).

78485 is a wasteful number, since it uses less digits than its factorization.

78485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its digits is 8960, while the sum is 32.

The square root of 78485 is about 280.1517445957. The cubic root of 78485 is about 42.8149611422.

It can be divided in two parts, 7 and 8485, that multiplied together give a palindrome (59395).

The spelling of 78485 in words is "seventy-eight thousand, four hundred eighty-five".

Divisors: 1 5 11 55 1427 7135 15697 78485