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2382145 = 5476429
BaseRepresentation
bin1001000101100101000001
311111000200121
421011211001
51102212040
6123020241
726151013
oct11054501
94430617
102382145
111387817
1296a681
1365536c
144601b3
15320c4a
hex245941

2382145 has 4 divisors (see below), whose sum is σ = 2858580. Its totient is φ = 1905712.

The previous prime is 2382119. The next prime is 2382151. The reversal of 2382145 is 5412832.

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 804609 + 1577536 = 897^2 + 1256^2 .

It is a cyclic number.

It is not a de Polignac number, because 2382145 - 29 = 2381633 is a prime.

It is a super-2 number, since 2×23821452 = 11349229602050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 25 + 39 + 8 + 221 + 1 + 49 + 55 .

2382145 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238210 + ... + 238219.

It is an arithmetic number, because the mean of its divisors is an integer number (714645).

22382145 is an apocalyptic number.

It is an amenable number.

2382145 is a deficient number, since it is larger than the sum of its proper divisors (476435).

2382145 is an equidigital number, since it uses as much as digits as its factorization.

2382145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476434.

The product of its digits is 1920, while the sum is 25.

The square root of 2382145 is about 1543.4199039795. The cubic root of 2382145 is about 133.5537430847.

Adding to 2382145 its reverse (5412832), we get a palindrome (7794977).

The spelling of 2382145 in words is "two million, three hundred eighty-two thousand, one hundred forty-five".

Divisors: 1 5 476429 2382145