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444444872 = 23173599103
BaseRepresentation
bin11010011111011…
…011000011001000
31010222022010202012
4122133123003020
51402234213442
6112033555052
714004501434
oct3237330310
91128263665
10444444872
11208972013
12104a15a88
1371103341
14430539c4
1529042582
hex1a7db0c8

444444872 has 32 divisors (see below), whose sum is σ = 884908800. Its totient is φ = 208545024.

The previous prime is 444444859. The next prime is 444444899. The reversal of 444444872 is 278444444.

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, 44273 + ... + 53375.

It is an arithmetic number, because the mean of its divisors is an integer number (27653400).

Almost surely, 2444444872 is an apocalyptic number.

It is an amenable number.

444444872 is a deficient number, since it is larger than the sum of its proper divisors (440463928).

444444872 is a wasteful number, since it uses less digits than its factorization.

444444872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9485 (or 9481 counting only the distinct ones).

The product of its digits is 458752, while the sum is 41.

The square root of 444444872 is about 21081.8612081571. The cubic root of 444444872 is about 763.1430730833.

The spelling of 444444872 in words is "four hundred forty-four million, four hundred forty-four thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 17 34 68 136 359 718 1436 2872 6103 9103 12206 18206 24412 36412 48824 72824 154751 309502 619004 1238008 3267977 6535954 13071908 26143816 55555609 111111218 222222436 444444872