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378087 = 3193653
BaseRepresentation
bin1011100010011100111
3201012122020
41130103213
544044322
612034223
73133203
oct1342347
9635566
10378087
11239076
12162973
13103128
149bb03
157705c
hex5c4e7

378087 has 8 divisors (see below), whose sum is σ = 507504. Its totient is φ = 250368.

The previous prime is 378083. The next prime is 378089. The reversal of 378087 is 780873.

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

It is not a de Polignac number, because 378087 - 22 = 378083 is a prime.

It is an Ulam number.

378087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378083) 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, 253 + ... + 905.

It is an arithmetic number, because the mean of its divisors is an integer number (63438).

2378087 is an apocalyptic number.

378087 is a deficient number, since it is larger than the sum of its proper divisors (129417).

378087 is a wasteful number, since it uses less digits than its factorization.

378087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 378087 is about 614.8877946422. The cubic root of 378087 is about 72.3098146526.

The spelling of 378087 in words is "three hundred seventy-eight thousand, eighty-seven".

Divisors: 1 3 193 579 653 1959 126029 378087