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379705 = 575941
BaseRepresentation
bin1011100101100111001
3201021212011
41130230321
544122310
612045521
73141004
oct1345471
9637764
10379705
1123a307
121638a1
13103aa1
149c53b
157778a
hex5cb39

379705 has 4 divisors (see below), whose sum is σ = 455652. Its totient is φ = 303760.

The previous prime is 379703. The next prime is 379721. The reversal of 379705 is 507973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 507973 = 3713729.

It can be written as a sum of positive squares in 2 ways, for example, as 242064 + 137641 = 492^2 + 371^2 .

It is not a de Polignac number, because 379705 - 21 = 379703 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (379703) 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 3 ways as a sum of consecutive naturals, for example, 37966 + ... + 37975.

It is an arithmetic number, because the mean of its divisors is an integer number (113913).

2379705 is an apocalyptic number.

It is an amenable number.

379705 is a deficient number, since it is larger than the sum of its proper divisors (75947).

379705 is an equidigital number, since it uses as much as digits as its factorization.

379705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75946.

The product of its (nonzero) digits is 6615, while the sum is 31.

The square root of 379705 is about 616.2020772441. The cubic root of 379705 is about 72.4128163264.

The spelling of 379705 in words is "three hundred seventy-nine thousand, seven hundred five".

Divisors: 1 5 75941 379705