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444305424 = 24319487177
BaseRepresentation
bin11010011110111…
…001000000010000
31010222001001110110
4122132321000100
51402220233144
6112031001320
714003351043
oct3236710020
91128031413
10444305424
11208887272
12104969240
1371084a24
1443018c5a
15290160b9
hex1a7b9010

444305424 has 40 divisors (see below), whose sum is σ = 1208201440. Its totient is φ = 140306688.

The previous prime is 444305419. The next prime is 444305437. The reversal of 444305424 is 424503444.

It is a junction number, because it is equal to n+sod(n) for n = 444305391 and 444305400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242677 + ... + 244500.

It is an arithmetic number, because the mean of its divisors is an integer number (30205036).

Almost surely, 2444305424 is an apocalyptic number.

It is an amenable number.

444305424 is an abundant number, since it is smaller than the sum of its proper divisors (763896016).

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

444305424 is a wasteful number, since it uses less digits than its factorization.

444305424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487207 (or 487201 counting only the distinct ones).

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

The square root of 444305424 is about 21078.5536505710. The cubic root of 444305424 is about 763.0632507297.

Adding to 444305424 its reverse (424503444), we get a palindrome (868808868).

The spelling of 444305424 in words is "four hundred forty-four million, three hundred five thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 456 912 487177 974354 1461531 1948708 2923062 3897416 5846124 7794832 9256363 11692248 18512726 23384496 27769089 37025452 55538178 74050904 111076356 148101808 222152712 444305424