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2380145 = 5476029
BaseRepresentation
bin1001000101000101110001
311110220221112
421011011301
51102131040
6123003105
726142125
oct11050561
94426845
102380145
111386269
12969495
13654491
1445d585
15320365
hex245171

2380145 has 4 divisors (see below), whose sum is σ = 2856180. Its totient is φ = 1904112.

The previous prime is 2380141. The next prime is 2380199. The reversal of 2380145 is 5410832.

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 355216 + 2024929 = 596^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 2380145 - 22 = 2380141 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2380145.

It is not an unprimeable number, because it can be changed into a prime (2380141) 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, 238010 + ... + 238019.

It is an arithmetic number, because the mean of its divisors is an integer number (714045).

22380145 is an apocalyptic number.

It is an amenable number.

2380145 is a deficient number, since it is larger than the sum of its proper divisors (476035).

2380145 is an equidigital number, since it uses as much as digits as its factorization.

2380145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476034.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2380145 is about 1542.7718561083. The cubic root of 2380145 is about 133.5163562934.

Adding to 2380145 its reverse (5410832), we get a palindrome (7790977).

The spelling of 2380145 in words is "two million, three hundred eighty thousand, one hundred forty-five".

Divisors: 1 5 476029 2380145