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2543233040 = 24531790413
BaseRepresentation
bin1001011110010110…
…1010100000010000
320120020112121212022
42113211222200100
520202031424130
61100210151012
7120011060405
oct22745524020
96506477768
102543233040
111095652697
125ab882468
13316b8872a
141a1aa62ac
15ed41a7e5
hex9796a810

2543233040 has 20 divisors (see below), whose sum is σ = 5913017004. Its totient is φ = 1017293184.

The previous prime is 2543232983. The next prime is 2543233067. The reversal of 2543233040 is 403323452.

It can be written as a sum of positive squares in 2 ways, for example, as 582160384 + 1961072656 = 24128^2 + 44284^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15895127 + ... + 15895286.

Almost surely, 22543233040 is an apocalyptic number.

2543233040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2543233040 is an abundant number, since it is smaller than the sum of its proper divisors (3369783964).

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

2543233040 is a wasteful number, since it uses less digits than its factorization.

2543233040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31790426 (or 31790420 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 2543233040 is about 50430.4772930021. The cubic root of 2543233040 is about 1364.9876404933.

Adding to 2543233040 its reverse (403323452), we get a palindrome (2946556492).

The spelling of 2543233040 in words is "two billion, five hundred forty-three million, two hundred thirty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 31790413 63580826 127161652 158952065 254323304 317904130 508646608 635808260 1271616520 2543233040