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445084930 = 25417331481
BaseRepresentation
bin11010100001110…
…111010100000010
31011000111122202001
4122201313110002
51402420204210
6112055414214
714013105463
oct3241672402
91130448661
10445084930
11209269994
1210508436a
1371298784
144317cd6a
152911c03a
hex1a877502

445084930 has 32 divisors (see below), whose sum is σ = 822367728. Its totient is φ = 173337600.

The previous prime is 445084907. The next prime is 445084931. The reversal of 445084930 is 39480544.

It can be written as a sum of positive squares in 8 ways, for example, as 191351889 + 253733041 = 13833^2 + 15929^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 445084930.

It is not an unprimeable number, because it can be changed into a prime (445084931) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 299790 + ... + 301270.

Almost surely, 2445084930 is an apocalyptic number.

445084930 is a deficient number, since it is larger than the sum of its proper divisors (377282798).

445084930 is a wasteful number, since it uses less digits than its factorization.

445084930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 445084930 is about 21097.0360477485. The cubic root of 445084930 is about 763.5092388835.

The spelling of 445084930 in words is "four hundred forty-five million, eighty-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 41 82 205 410 733 1466 1481 2962 3665 7330 7405 14810 30053 60106 60721 121442 150265 300530 303605 607210 1085573 2171146 5427865 10855730 44508493 89016986 222542465 445084930