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20448162 = 2327162287
BaseRepresentation
bin100111000000…
…0001110100010
31102110212121100
41032000032202
520213320122
62010135230
7335543430
oct116001642
942425540
1020448162
11105a7009
126a21516
13430c407
142a03d50
151bddaac
hex13803a2

20448162 has 24 divisors (see below), whose sum is σ = 50633856. Its totient is φ = 5842296.

The previous prime is 20448133. The next prime is 20448163. The reversal of 20448162 is 26184402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20448163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81018 + ... + 81269.

It is an arithmetic number, because the mean of its divisors is an integer number (2109744).

Almost surely, 220448162 is an apocalyptic number.

20448162 is an abundant number, since it is smaller than the sum of its proper divisors (30185694).

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

20448162 is a wasteful number, since it uses less digits than its factorization.

20448162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162302 (or 162299 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 20448162 is about 4521.9643961447. The cubic root of 20448162 is about 273.4543013371.

The spelling of 20448162 in words is "twenty million, four hundred forty-eight thousand, one hundred sixty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 162287 324574 486861 973722 1136009 1460583 2272018 2921166 3408027 6816054 10224081 20448162