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2543103430 = 25725190007
BaseRepresentation
bin1001011110010100…
…1010110111000110
320120020022001001221
42113211022313012
520202013302210
61100203310554
7120010010500
oct22745126706
96506261057
102543103430
11109557427a
125ab81b45a
13316b4173a
141a1a70d70
15ed3e21da
hex9794adc6

2543103430 has 24 divisors (see below), whose sum is σ = 5324948208. Its totient is φ = 871921008.

The previous prime is 2543103421. The next prime is 2543103503. The reversal of 2543103430 is 343013452.

It is a junction number, because it is equal to n+sod(n) for n = 2543103395 and 2543103404.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2594514 + ... + 2595493.

It is an arithmetic number, because the mean of its divisors is an integer number (221872842).

Almost surely, 22543103430 is an apocalyptic number.

2543103430 is an abundant number, since it is smaller than the sum of its proper divisors (2781844778).

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

2543103430 is a wasteful number, since it uses less digits than its factorization.

2543103430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190028 (or 5190021 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2543103430 is about 50429.1922402094. The cubic root of 2543103430 is about 1364.9644522849.

Adding to 2543103430 its reverse (343013452), we get a palindrome (2886116882).

The spelling of 2543103430 in words is "two billion, five hundred forty-three million, one hundred three thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 5190007 10380014 25950035 36330049 51900070 72660098 181650245 254310343 363300490 508620686 1271551715 2543103430