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445220048 = 24713305783
BaseRepresentation
bin11010100010011…
…000010011010000
31011000202112002102
4122202120103100
51402434020143
6112102335532
714014210430
oct3242302320
91130675072
10445220048
11209351459
1210512a5a8
1371315120
14431b62c0
15291470b8
hex1a8984d0

445220048 has 40 divisors (see below), whose sum is σ = 1061682048. Its totient is φ = 176130432.

The previous prime is 445220033. The next prime is 445220059. The reversal of 445220048 is 840022544.

It is a super-2 number, since 2×4452200482 = 396441782282244608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445220048.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151436 + ... + 154347.

Almost surely, 2445220048 is an apocalyptic number.

It is an amenable number.

445220048 is an abundant number, since it is smaller than the sum of its proper divisors (616462000).

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

445220048 is a wasteful number, since it uses less digits than its factorization.

445220048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305811 (or 305805 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 445220048 is about 21100.2381029220. The cubic root of 445220048 is about 763.5864926065.

The spelling of 445220048 in words is "four hundred forty-five million, two hundred twenty thousand, forty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 305783 611566 1223132 2140481 2446264 3975179 4280962 4892528 7950358 8561924 15900716 17123848 27826253 31801432 34247696 55652506 63602864 111305012 222610024 445220048