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20848336 = 244161521
BaseRepresentation
bin100111110000…
…1111011010000
31110020012112121
41033201323100
520314121321
62022504024
7342131215
oct117417320
943205477
1020848336
111084a733
126b95014
13441c5c2
142aa9b0c
151c6c441
hex13e1ed0

20848336 has 40 divisors (see below), whose sum is σ = 42137928. Its totient is φ = 9984000.

The previous prime is 20848297. The next prime is 20848343. The reversal of 20848336 is 63384802.

It can be written as a sum of positive squares in 4 ways, for example, as 1838736 + 19009600 = 1356^2 + 4360^2 .

It is a super-2 number, since 2×208483362 = 869306227937792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39756 + ... + 40276.

Almost surely, 220848336 is an apocalyptic number.

It is an amenable number.

20848336 is an abundant number, since it is smaller than the sum of its proper divisors (21289592).

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

20848336 is a wasteful number, since it uses less digits than its factorization.

20848336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 20848336 is about 4565.9978098987. The cubic root of 20848336 is about 275.2266385112.

It can be divided in two parts, 2084 and 8336, that multiplied together give a square (17372224 = 41682).

The spelling of 20848336 in words is "twenty million, eight hundred forty-eight thousand, three hundred thirty-six".

Divisors: 1 2 4 8 16 41 61 82 122 164 244 328 488 521 656 976 1042 2084 2501 4168 5002 8336 10004 20008 21361 31781 40016 42722 63562 85444 127124 170888 254248 341776 508496 1303021 2606042 5212084 10424168 20848336