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2052537591 = 313277189997
BaseRepresentation
bin111101001010111…
…0011110011110111
312022001012201020210
41322111303303313
513200422200331
6535401000503
7101602165416
oct17225636367
95261181223
102052537591
11963670965
12493483133
132693107b0
1415685347d
15c02de446
hex7a573cf7

2052537591 has 16 divisors (see below), whose sum is σ = 2957888864. Its totient is φ = 1258533504.

The previous prime is 2052537587. The next prime is 2052537601. The reversal of 2052537591 is 1957352502.

It is not a de Polignac number, because 2052537591 - 22 = 2052537587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052537521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84196 + ... + 105801.

It is an arithmetic number, because the mean of its divisors is an integer number (184868054).

Almost surely, 22052537591 is an apocalyptic number.

2052537591 is a deficient number, since it is larger than the sum of its proper divisors (905351273).

2052537591 is a wasteful number, since it uses less digits than its factorization.

2052537591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190290.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 2052537591 is about 45304.9400286547. The cubic root of 2052537591 is about 1270.8580373528.

The spelling of 2052537591 in words is "two billion, fifty-two million, five hundred thirty-seven thousand, five hundred ninety-one".

Divisors: 1 3 13 39 277 831 3601 10803 189997 569991 2469961 7409883 52629169 157887507 684179197 2052537591