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20882498 = 2713179641
BaseRepresentation
bin100111110101…
…0010001000010
31110021221101212
41033222101002
520321214443
62023330122
7342332630
oct117522102
943257355
1020882498
111087336a
126bb0942
134432010
142ab8350
151c77618
hex13ea442

20882498 has 32 divisors (see below), whose sum is σ = 38828160. Its totient is φ = 8202240.

The previous prime is 20882497. The next prime is 20882507. The reversal of 20882498 is 89428802.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20882497) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32258 + ... + 32898.

It is an arithmetic number, because the mean of its divisors is an integer number (1213380).

Almost surely, 220882498 is an apocalyptic number.

20882498 is a deficient number, since it is larger than the sum of its proper divisors (17945662).

20882498 is a wasteful number, since it uses less digits than its factorization.

20882498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 20882498 is about 4569.7371915680. The cubic root of 20882498 is about 275.3768848997.

The spelling of 20882498 in words is "twenty million, eight hundred eighty-two thousand, four hundred ninety-eight".

Divisors: 1 2 7 13 14 26 91 179 182 358 641 1253 1282 2327 2506 4487 4654 8333 8974 16289 16666 32578 58331 114739 116662 229478 803173 1491607 1606346 2983214 10441249 20882498