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20884482 = 2322814129
BaseRepresentation
bin100111110101…
…0110000000010
31110022001010100
41033222300002
520321300412
62023343230
7342341463
oct117526002
943261110
1020884482
1110874903
126bb1b16
134432ba8
142ab8d6a
151c77edc
hex13eac02

20884482 has 24 divisors (see below), whose sum is σ = 45421740. Its totient is φ = 6935040.

The previous prime is 20884471. The next prime is 20884499. The reversal of 20884482 is 28448802.

20884482 is a `hidden beast` number, since 208 + 8 + 448 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20602521 + 281961 = 4539^2 + 531^2 .

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 11 ways as a sum of consecutive naturals, for example, 2994 + ... + 7122.

Almost surely, 220884482 is an apocalyptic number.

20884482 is an abundant number, since it is smaller than the sum of its proper divisors (24537258).

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

20884482 is a wasteful number, since it uses less digits than its factorization.

20884482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418 (or 4415 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 20884482 is about 4569.9542667296. The cubic root of 20884482 is about 275.3856056067.

The spelling of 20884482 in words is "twenty million, eight hundred eighty-four thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 281 562 843 1686 2529 4129 5058 8258 12387 24774 37161 74322 1160249 2320498 3480747 6961494 10442241 20884482