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2543913090 = 232528265701
BaseRepresentation
bin1001011110100001…
…0000100010000010
320120021211011201100
42113220100202002
520202220204330
61100232515230
7120016622145
oct22750204202
96507734640
102543913090
111095a77614
125abb4bb16
13317066124
141a1c0205c
15ed502060
hex97a10882

2543913090 has 24 divisors (see below), whose sum is σ = 6614174268. Its totient is φ = 678376800.

The previous prime is 2543913083. The next prime is 2543913107. The reversal of 2543913090 is 903193452.

It is a happy number.

2543913090 is a `hidden beast` number, since 2 + 5 + 439 + 130 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2124195921 + 419717169 = 46089^2 + 20487^2 .

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 11 ways as a sum of consecutive naturals, for example, 14132761 + ... + 14132940.

Almost surely, 22543913090 is an apocalyptic number.

2543913090 is an abundant number, since it is smaller than the sum of its proper divisors (4070261178).

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

2543913090 is a wasteful number, since it uses less digits than its factorization.

2543913090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28265714 (or 28265711 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 2543913090 is about 50437.2192928992. The cubic root of 2543913090 is about 1365.1092936680.

The spelling of 2543913090 in words is "two billion, five hundred forty-three million, nine hundred thirteen thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 28265701 56531402 84797103 141328505 169594206 254391309 282657010 423985515 508782618 847971030 1271956545 2543913090