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2543430472 = 231128902619
BaseRepresentation
bin1001011110011001…
…1010101101001000
320120020220122200121
42113212122231020
520202104233342
61100214313024
7120012542122
oct22746325510
96506818617
102543430472
111095777a60
125ab958774
13316c2755b
141a1b18212
15ed459067
hex9799ab48

2543430472 has 16 divisors (see below), whose sum is σ = 5202471600. Its totient is φ = 1156104720.

The previous prime is 2543430467. The next prime is 2543430473. The reversal of 2543430472 is 2740343452.

2543430472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2543430473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14451222 + ... + 14451397.

It is an arithmetic number, because the mean of its divisors is an integer number (325154475).

Almost surely, 22543430472 is an apocalyptic number.

2543430472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2543430472 is an abundant number, since it is smaller than the sum of its proper divisors (2659041128).

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

2543430472 is a wasteful number, since it uses less digits than its factorization.

2543430472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28902636 (or 28902632 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 34.

The square root of 2543430472 is about 50432.4347221111. The cubic root of 2543430472 is about 1365.0229610561.

The spelling of 2543430472 in words is "two billion, five hundred forty-three million, four hundred thirty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 28902619 57805238 115610476 231220952 317928809 635857618 1271715236 2543430472