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378284 = 22175563
BaseRepresentation
bin1011100010110101100
3201012220112
41130112230
544101114
612035152
73133604
oct1342654
9635815
10378284
11239235
12162ab8
1310324a
149bc04
157713e
hex5c5ac

378284 has 12 divisors (see below), whose sum is σ = 701064. Its totient is φ = 177984.

The previous prime is 378283. The next prime is 378289. The reversal of 378284 is 482873.

It is a self number, because there is not a number n which added to its sum of digits gives 378284.

It is not an unprimeable number, because it can be changed into a prime (378283) 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, 2714 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (58422).

2378284 is an apocalyptic number.

378284 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

378284 is a deficient number, since it is larger than the sum of its proper divisors (322780).

378284 is a wasteful number, since it uses less digits than its factorization.

378284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584 (or 5582 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 378284 is about 615.0479656092. The cubic root of 378284 is about 72.3223713393.

It can be divided in two parts, 3 and 78284, that added together give a palindrome (78287).

The spelling of 378284 in words is "three hundred seventy-eight thousand, two hundred eighty-four".

Divisors: 1 2 4 17 34 68 5563 11126 22252 94571 189142 378284