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445055684 = 223719315581
BaseRepresentation
bin11010100001110…
…000001011000100
31011000110011121212
4122201300023010
51402413240214
6112055030552
714012624303
oct3241601304
91130404555
10445055684
11209249a17
1210506b458
1371288378
144317243a
152911353e
hex1a8702c4

445055684 has 24 divisors (see below), whose sum is σ = 804093528. Its totient is φ = 215377920.

The previous prime is 445055627. The next prime is 445055707. The reversal of 445055684 is 486550544.

It can be written as a sum of positive squares in 4 ways, for example, as 62853184 + 382202500 = 7928^2 + 19550^2 .

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, 20774 + ... + 36354.

It is an arithmetic number, because the mean of its divisors is an integer number (33503897).

Almost surely, 2445055684 is an apocalyptic number.

It is an amenable number.

445055684 is a deficient number, since it is larger than the sum of its proper divisors (359037844).

445055684 is a wasteful number, since it uses less digits than its factorization.

445055684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15815 (or 15813 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The square root of 445055684 is about 21096.3429058214. The cubic root of 445055684 is about 763.4925154234.

The spelling of 445055684 in words is "four hundred forty-five million, fifty-five thousand, six hundred eighty-four".

Divisors: 1 2 4 37 74 148 193 386 772 7141 14282 15581 28564 31162 62324 576497 1152994 2305988 3007133 6014266 12028532 111263921 222527842 445055684