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540830530 = 25317170609
BaseRepresentation
bin100000001111000…
…110101101000010
31101200200001000101
4200033012231002
52101423034110
6125355513014
716254661252
oct4017065502
91350601011
10540830530
11258314a89
1213115876a
138807c986
1451b83962
153273113a
hex203c6b42

540830530 has 16 divisors (see below), whose sum is σ = 976571640. Its totient is φ = 215648512.

The previous prime is 540830519. The next prime is 540830539. The reversal of 540830530 is 35038045.

It can be written as a sum of positive squares in 4 ways, for example, as 370293049 + 170537481 = 19243^2 + 13059^2 .

It is not an unprimeable number, because it can be changed into a prime (540830539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82135 + ... + 88474.

Almost surely, 2540830530 is an apocalyptic number.

540830530 is a deficient number, since it is larger than the sum of its proper divisors (435741110).

540830530 is a wasteful number, since it uses less digits than its factorization.

540830530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170933.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 540830530 is about 23255.7633716892. The cubic root of 540830530 is about 814.7425535854.

Adding to 540830530 its reverse (35038045), we get a palindrome (575868575).

The spelling of 540830530 in words is "five hundred forty million, eight hundred thirty thousand, five hundred thirty".

Divisors: 1 2 5 10 317 634 1585 3170 170609 341218 853045 1706090 54083053 108166106 270415265 540830530