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2543140524 = 223331640267
BaseRepresentation
bin1001011110010101…
…0011111010101100
320120020100220221210
42113211103322230
520202020444044
61100204154420
7120010223601
oct22745237254
96506326853
102543140524
11109559a131
125ab838a10
13316b555a2
141a1a806a8
15ed3ed1b9
hex97953eac

2543140524 has 24 divisors (see below), whose sum is σ = 5951931328. Its totient is φ = 845151120.

The previous prime is 2543140489. The next prime is 2543140541. The reversal of 2543140524 is 4250413452.

It is a junction number, because it is equal to n+sod(n) for n = 2543140491 and 2543140500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316162 + ... + 324105.

Almost surely, 22543140524 is an apocalyptic number.

It is an amenable number.

2543140524 is an abundant number, since it is smaller than the sum of its proper divisors (3408790804).

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

2543140524 is a wasteful number, since it uses less digits than its factorization.

2543140524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640605 (or 640603 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2543140524 is about 50429.5600218761. The cubic root of 2543140524 is about 1364.9710887623.

Adding to 2543140524 its reverse (4250413452), we get a palindrome (6793553976).

The spelling of 2543140524 in words is "two billion, five hundred forty-three million, one hundred forty thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 331 662 993 1324 1986 3972 640267 1280534 1920801 2561068 3841602 7683204 211928377 423856754 635785131 847713508 1271570262 2543140524