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20748048 = 243432251
BaseRepresentation
bin100111100100…
…1011100010000
31110001002222020
41033021130100
520302414143
62020411440
7341232636
oct117113420
943032866
1020748048
1110791352
126b46b80
1343b5a69
142a81356
151c4c883
hex13c9710

20748048 has 20 divisors (see below), whose sum is σ = 53599248. Its totient is φ = 6916000.

The previous prime is 20748037. The next prime is 20748071. The reversal of 20748048 is 84084702.

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 3 ways as a sum of consecutive naturals, for example, 216078 + ... + 216173.

Almost surely, 220748048 is an apocalyptic number.

It is an amenable number.

20748048 is an abundant number, since it is smaller than the sum of its proper divisors (32851200).

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

20748048 is a wasteful number, since it uses less digits than its factorization.

20748048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432262 (or 432256 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 20748048 is about 4555.0025246974. The cubic root of 20748048 is about 274.7846159250.

The spelling of 20748048 in words is "twenty million, seven hundred forty-eight thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 432251 864502 1296753 1729004 2593506 3458008 5187012 6916016 10374024 20748048