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52520205 = 3537173547
BaseRepresentation
bin1100100001011…
…0010100001101
310122211022011210
43020112110031
5101421121310
65113405033
71205262063
oct310262415
9118738153
1052520205
1127712231
1215709779
13ab5b55a
146d92033
154926820
hex321650d

52520205 has 32 divisors (see below), whose sum is σ = 86961024. Its totient is φ = 27046656.

The previous prime is 52520179. The next prime is 52520213. The reversal of 52520205 is 50202525.

It is not a de Polignac number, because 52520205 - 26 = 52520141 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 95742 + ... + 96288.

It is an arithmetic number, because the mean of its divisors is an integer number (2717532).

Almost surely, 252520205 is an apocalyptic number.

It is an amenable number.

52520205 is a deficient number, since it is larger than the sum of its proper divisors (34440819).

52520205 is a wasteful number, since it uses less digits than its factorization.

52520205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 52520205 is about 7247.0825164338. The cubic root of 52520205 is about 374.4916489671.

It can be divided in two parts, 52520 and 205, that added together give a palindrome (52725).

The spelling of 52520205 in words is "fifty-two million, five hundred twenty thousand, two hundred five".

Divisors: 1 3 5 15 37 111 173 185 519 547 555 865 1641 2595 2735 6401 8205 19203 20239 32005 60717 94631 96015 101195 283893 303585 473155 1419465 3501347 10504041 17506735 52520205