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2379385 = 5475877
BaseRepresentation
bin1001000100111001111001
311110212220101
421010321321
51102120020
6122555401
726136661
oct11047171
94425811
102379385
111385738
12968b61
13654028
1445d1a1
1532000a
hex244e79

2379385 has 4 divisors (see below), whose sum is σ = 2855268. Its totient is φ = 1903504.

The previous prime is 2379383. The next prime is 2379397. The reversal of 2379385 is 5839732.

2379385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1806336 + 573049 = 1344^2 + 757^2 .

It is a cyclic number.

It is not a de Polignac number, because 2379385 - 21 = 2379383 is a prime.

It is a super-2 number, since 2×23793852 = 11322945956450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2379383) 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, 237934 + ... + 237943.

It is an arithmetic number, because the mean of its divisors is an integer number (713817).

22379385 is an apocalyptic number.

It is an amenable number.

2379385 is a deficient number, since it is larger than the sum of its proper divisors (475883).

2379385 is an equidigital number, since it uses as much as digits as its factorization.

2379385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475882.

The product of its digits is 45360, while the sum is 37.

The square root of 2379385 is about 1542.5255265311. The cubic root of 2379385 is about 133.5021438213.

The spelling of 2379385 in words is "two million, three hundred seventy-nine thousand, three hundred eighty-five".

Divisors: 1 5 475877 2379385