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1140052530 = 23538001751
BaseRepresentation
bin100001111110011…
…1101001000110010
32221110012200001210
41003330331020302
54313323140110
6305043140550
740152200211
oct10374751062
92843180053
101140052530
11535591381
12279974756
131522653c6
14ab5a7078
156a148520
hex43f3d232

1140052530 has 16 divisors (see below), whose sum is σ = 2736126144. Its totient is φ = 304014000.

The previous prime is 1140052483. The next prime is 1140052541. The reversal of 1140052530 is 352500411.

It is a junction number, because it is equal to n+sod(n) for n = 1140052497 and 1140052506.

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, 19000846 + ... + 19000905.

It is an arithmetic number, because the mean of its divisors is an integer number (171007884).

Almost surely, 21140052530 is an apocalyptic number.

1140052530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140052530 is an abundant number, since it is smaller than the sum of its proper divisors (1596073614).

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

1140052530 is a wasteful number, since it uses less digits than its factorization.

1140052530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38001761.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1140052530 is about 33764.6639254710. The cubic root of 1140052530 is about 1044.6599719400.

Adding to 1140052530 its reverse (352500411), we get a palindrome (1492552941).

The spelling of 1140052530 in words is "one billion, one hundred forty million, fifty-two thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 38001751 76003502 114005253 190008755 228010506 380017510 570026265 1140052530