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8379 = 327219
BaseRepresentation
bin10000010111011
3102111100
42002323
5232004
6102443
733300
oct20273
912440
108379
116328
124a23
133a77
1430a7
152739
hex20bb

8379 has 18 divisors (see below), whose sum is σ = 14820. Its totient is φ = 4536.

The previous prime is 8377. The next prime is 8387. The reversal of 8379 is 9738.

It is a happy number.

8379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8379 - 21 = 8377 is a prime.

8379 is a lucky number.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (8377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 432 + ... + 450.

28379 is an apocalyptic number.

8379 is a deficient number, since it is larger than the sum of its proper divisors (6441).

8379 is a wasteful number, since it uses less digits than its factorization.

8379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39 (or 29 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 8379 is about 91.5368778144. The cubic root of 8379 is about 20.3109730608.

The spelling of 8379 in words is "eight thousand, three hundred seventy-nine".

Divisors: 1 3 7 9 19 21 49 57 63 133 147 171 399 441 931 1197 2793 8379