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444412432 = 24191461883
BaseRepresentation
bin11010011111010…
…011001000010000
31010222020111020201
4122133103020100
51402232144212
6112033144544
714004305032
oct3237231020
91128214221
10444412432
1120894a702
121049bb154
13710c1649
1443045c52
1529037b57
hex1a7d3210

444412432 has 20 divisors (see below), whose sum is σ = 906368080. Its totient is φ = 210511008.

The previous prime is 444412421. The next prime is 444412457. The reversal of 444412432 is 234214444.

It is a self number, because there is not a number n which added to its sum of digits gives 444412432.

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 3 ways as a sum of consecutive naturals, for example, 730638 + ... + 731245.

It is an arithmetic number, because the mean of its divisors is an integer number (45318404).

Almost surely, 2444412432 is an apocalyptic number.

It is an amenable number.

444412432 is an abundant number, since it is smaller than the sum of its proper divisors (461955648).

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

444412432 is a wasteful number, since it uses less digits than its factorization.

444412432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461910 (or 1461904 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 444412432 is about 21081.0918123327. The cubic root of 444412432 is about 763.1245053784.

Adding to 444412432 its reverse (234214444), we get a palindrome (678626876).

The spelling of 444412432 in words is "four hundred forty-four million, four hundred twelve thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 1461883 2923766 5847532 11695064 23390128 27775777 55551554 111103108 222206216 444412432