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2302132240 = 24528776653
BaseRepresentation
bin1000100100110111…
…1100000000010000
312221102212102202001
42021031330000100
514203321212430
61020234403344
7111022541542
oct21115740020
95842772661
102302132240
11a81548031
12542b90554
132a8c40835
1417ba65692
15d71933ca
hex8937c010

2302132240 has 20 divisors (see below), whose sum is σ = 5352457644. Its totient is φ = 920852864.

The previous prime is 2302132181. The next prime is 2302132271. The reversal of 2302132240 is 422312032.

It can be written as a sum of positive squares in 2 ways, for example, as 1799117056 + 503015184 = 42416^2 + 22428^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 14388247 + ... + 14388406.

Almost surely, 22302132240 is an apocalyptic number.

2302132240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2302132240 is an abundant number, since it is smaller than the sum of its proper divisors (3050325404).

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

2302132240 is a wasteful number, since it uses less digits than its factorization.

2302132240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28776666 (or 28776660 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2302132240 is about 47980.5402220525. The cubic root of 2302132240 is about 1320.4139044831.

Adding to 2302132240 its reverse (422312032), we get a palindrome (2724444272).

The spelling of 2302132240 in words is "two billion, three hundred two million, one hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 28776653 57553306 115106612 143883265 230213224 287766530 460426448 575533060 1151066120 2302132240