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8378 = 25971
BaseRepresentation
bin10000010111010
3102111022
42002322
5232003
6102442
733266
oct20272
912438
108378
116327
124a22
133a76
1430a6
152738
hex20ba

8378 has 8 divisors (see below), whose sum is σ = 12960. Its totient is φ = 4060.

The previous prime is 8377. The next prime is 8387. The reversal of 8378 is 8738.

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

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 153.

It is an arithmetic number, because the mean of its divisors is an integer number (1620).

28378 is an apocalyptic number.

8378 is a deficient number, since it is larger than the sum of its proper divisors (4582).

8378 is a wasteful number, since it uses less digits than its factorization.

8378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132.

The product of its digits is 1344, while the sum is 26.

The square root of 8378 is about 91.5314153720. The cubic root of 8378 is about 20.3101650176.

It can be divided in two parts, 83 and 78, that added together give a palindrome (161).

The spelling of 8378 in words is "eight thousand, three hundred seventy-eight".

Divisors: 1 2 59 71 118 142 4189 8378