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20048288 = 251348193
BaseRepresentation
bin100110001111…
…0100110100000
31101201120002012
41030132212200
520113021123
61553412052
7332256551
oct114364640
941646065
1020048288
1110353637
12686a028
1341cc3c0
14293c328
151b60378
hex131e9a0

20048288 has 24 divisors (see below), whose sum is σ = 42507108. Its totient is φ = 9252864.

The previous prime is 20048267. The next prime is 20048311. The reversal of 20048288 is 88284002.

It can be written as a sum of positive squares in 2 ways, for example, as 19963024 + 85264 = 4468^2 + 292^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 23681 + ... + 24512.

Almost surely, 220048288 is an apocalyptic number.

It is an amenable number.

20048288 is an abundant number, since it is smaller than the sum of its proper divisors (22458820).

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

20048288 is a wasteful number, since it uses less digits than its factorization.

20048288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48216 (or 48208 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 20048288 is about 4477.5314627594. The cubic root of 20048288 is about 271.6600424111.

The spelling of 20048288 in words is "twenty million, forty-eight thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 48193 96386 192772 385544 626509 771088 1253018 1542176 2506036 5012072 10024144 20048288