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445050289 = 1889235601
BaseRepresentation
bin11010100001101…
…110110110110001
31011000102220020001
4122201232312301
51402413102124
6112054550001
714012602465
oct3241566661
91130386201
10445050289
11209245962
12105068301
1371285a88
14431704a5
1529111b44
hex1a86edb1

445050289 has 4 divisors (see below), whose sum is σ = 445287780. Its totient is φ = 444812800.

The previous prime is 445050283. The next prime is 445050311. The reversal of 445050289 is 982050544.

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 303630625 + 141419664 = 17425^2 + 11892^2 .

It is a cyclic number.

It is not a de Polignac number, because 445050289 - 217 = 444919217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445050283) 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, 115912 + ... + 119689.

It is an arithmetic number, because the mean of its divisors is an integer number (111321945).

Almost surely, 2445050289 is an apocalyptic number.

It is an amenable number.

445050289 is a deficient number, since it is larger than the sum of its proper divisors (237491).

445050289 is a wasteful number, since it uses less digits than its factorization.

445050289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237490.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 445050289 is about 21096.2150396700. The cubic root of 445050289 is about 763.4894303721.

The spelling of 445050289 in words is "four hundred forty-five million, fifty thousand, two hundred eighty-nine".

Divisors: 1 1889 235601 445050289