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445021134 = 23411809029
BaseRepresentation
bin11010100001100…
…111101111001110
31011000101102020020
4122201213233032
51402411134014
6112054203010
714012421465
oct3241475716
91130342206
10445021134
11209225a68
12105053466
137127571c
14431639dc
15291081a9
hex1a867bce

445021134 has 16 divisors (see below), whose sum is σ = 911751120. Its totient is φ = 144722240.

The previous prime is 445021123. The next prime is 445021139. The reversal of 445021134 is 431120544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445021139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904269 + ... + 904760.

It is an arithmetic number, because the mean of its divisors is an integer number (56984445).

Almost surely, 2445021134 is an apocalyptic number.

445021134 is an abundant number, since it is smaller than the sum of its proper divisors (466729986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445021134 is a wasteful number, since it uses less digits than its factorization.

445021134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809075.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 445021134 is about 21095.5240276225. The cubic root of 445021134 is about 763.4727580836.

Adding to 445021134 its reverse (431120544), we get a palindrome (876141678).

The spelling of 445021134 in words is "four hundred forty-five million, twenty-one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 41 82 123 246 1809029 3618058 5427087 10854174 74170189 148340378 222510567 445021134