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2331240040 = 23558281001
BaseRepresentation
bin1000101011110011…
…1110011001101000
320000110122021010201
42022330332121220
514233244140130
61023154321544
7111525133123
oct21274763150
96013567121
102331240040
11a96a19168
125508892b4
132b1c9269c
141818813ba
15d99e2bca
hex8af3e668

2331240040 has 16 divisors (see below), whose sum is σ = 5245290180. Its totient is φ = 932496000.

The previous prime is 2331240001. The next prime is 2331240053. The reversal of 2331240040 is 400421332.

It can be written as a sum of positive squares in 2 ways, for example, as 2329606756 + 1633284 = 48266^2 + 1278^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29140461 + ... + 29140540.

Almost surely, 22331240040 is an apocalyptic number.

2331240040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331240040 is an abundant number, since it is smaller than the sum of its proper divisors (2914050140).

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

2331240040 is a wasteful number, since it uses less digits than its factorization.

2331240040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58281012 (or 58281008 counting only the distinct ones).

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

The square root of 2331240040 is about 48282.9166476094. The cubic root of 2331240040 is about 1325.9556490136.

Adding to 2331240040 its reverse (400421332), we get a palindrome (2731661372).

The spelling of 2331240040 in words is "two billion, three hundred thirty-one million, two hundred forty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 58281001 116562002 233124004 291405005 466248008 582810010 1165620020 2331240040