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20704048 = 2423127443
BaseRepresentation
bin100111011111…
…0101100110000
31102221212121121
41032332230300
520300012143
62015432024
7340660441
oct116765460
942855547
1020704048
1110761292
126b25614
13439ba21
142a6d2c8
151c3e7ed
hex13beb30

20704048 has 40 divisors (see below), whose sum is σ = 42283008. Its totient is φ = 9801792.

The previous prime is 20704043. The next prime is 20704081. The reversal of 20704048 is 84040702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20704043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46515 + ... + 46957.

Almost surely, 220704048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20704048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21141504).

20704048 is an abundant number, since it is smaller than the sum of its proper divisors (21578960).

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

20704048 is a wasteful number, since it uses less digits than its factorization.

20704048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 20704048 is about 4550.1701067103. The cubic root of 20704048 is about 274.5902349099.

The spelling of 20704048 in words is "twenty million, seven hundred four thousand, forty-eight".

Divisors: 1 2 4 8 16 23 46 92 127 184 254 368 443 508 886 1016 1772 2032 2921 3544 5842 7088 10189 11684 20378 23368 40756 46736 56261 81512 112522 163024 225044 450088 900176 1294003 2588006 5176012 10352024 20704048