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445432044 = 22361760161
BaseRepresentation
bin11010100011001…
…100000011101100
31011001011021220010
4122203030003230
51403012311134
6112111053220
714016052461
oct3243140354
91131137803
10445432044
11209486762
12105211210
137138a775
144322d668
1529189ce9
hex1a8cc0ec

445432044 has 24 divisors (see below), whose sum is σ = 1041043248. Its totient is φ = 148234240.

The previous prime is 445432027. The next prime is 445432063. The reversal of 445432044 is 440234544.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22677 + ... + 37484.

It is an arithmetic number, because the mean of its divisors is an integer number (43376802).

Almost surely, 2445432044 is an apocalyptic number.

It is an amenable number.

445432044 is an abundant number, since it is smaller than the sum of its proper divisors (595611204).

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

445432044 is a wasteful number, since it uses less digits than its factorization.

445432044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60785 (or 60783 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 445432044 is about 21105.2610502690. The cubic root of 445432044 is about 763.7076698360.

Adding to 445432044 its reverse (440234544), we get a palindrome (885666588).

The spelling of 445432044 in words is "four hundred forty-five million, four hundred thirty-two thousand, forty-four".

Divisors: 1 2 3 4 6 12 617 1234 1851 2468 3702 7404 60161 120322 180483 240644 360966 721932 37119337 74238674 111358011 148477348 222716022 445432044