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445432234 = 21317132009
BaseRepresentation
bin11010100011001…
…100000110101010
31011001011022011011
4122203030012222
51403012312414
6112111054134
714016053152
oct3243140652
91131138134
10445432234
11209486915
1210521134a
137138a890
144322d762
1529189dc4
hex1a8cc1aa

445432234 has 8 divisors (see below), whose sum is σ = 719544420. Its totient is φ = 205584096.

The previous prime is 445432231. The next prime is 445432243. The reversal of 445432234 is 432234544.

It can be written as a sum of positive squares in 2 ways, for example, as 440874009 + 4558225 = 20997^2 + 2135^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 445432196 and 445432205.

It is not an unprimeable number, because it can be changed into a prime (445432231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8565979 + ... + 8566030.

Almost surely, 2445432234 is an apocalyptic number.

445432234 is a deficient number, since it is larger than the sum of its proper divisors (274112186).

445432234 is a wasteful number, since it uses less digits than its factorization.

445432234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17132024.

The product of its digits is 46080, while the sum is 31.

The square root of 445432234 is about 21105.2655515158. The cubic root of 445432234 is about 763.7077784230.

Adding to 445432234 its reverse (432234544), we get a palindrome (877666778).

The spelling of 445432234 in words is "four hundred forty-five million, four hundred thirty-two thousand, two hundred thirty-four".

Divisors: 1 2 13 26 17132009 34264018 222716117 445432234