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53270540 = 2252663527
BaseRepresentation
bin1100101100110…
…1100000001100
310201020102102222
43023031200030
5102114124130
65141434512
71214535461
oct313154014
9121212388
1053270540
1128084a44
1215a0ba38
13b061c3b
147109668
154a23ce5
hex32cd80c

53270540 has 12 divisors (see below), whose sum is σ = 111868176. Its totient is φ = 21308208.

The previous prime is 53270513. The next prime is 53270551. The reversal of 53270540 is 4507235.

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 3 ways as a sum of consecutive naturals, for example, 1331744 + ... + 1331783.

It is an arithmetic number, because the mean of its divisors is an integer number (9322348).

Almost surely, 253270540 is an apocalyptic number.

It is an amenable number.

53270540 is an abundant number, since it is smaller than the sum of its proper divisors (58597636).

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

53270540 is a wasteful number, since it uses less digits than its factorization.

53270540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663536 (or 2663534 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 53270540 is about 7298.6670015832. The cubic root of 53270540 is about 376.2666265652.

Adding to 53270540 its reverse (4507235), we get a palindrome (57777775).

The spelling of 53270540 in words is "fifty-three million, two hundred seventy thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2663527 5327054 10654108 13317635 26635270 53270540