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52219590 = 2351998747
BaseRepresentation
bin1100011100110…
…0111011000110
310122021000210220
43013030323012
5101332011330
65103125210
71202600463
oct307147306
9118230726
1052219590
1127527395
12155a3806
13aa84787
146d1466a
1548b7710
hex31ccec6

52219590 has 32 divisors (see below), whose sum is σ = 125971200. Its totient is φ = 13853664.

The previous prime is 52219589. The next prime is 52219621. The reversal of 52219590 is 9591225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1597 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (3936600).

Almost surely, 252219590 is an apocalyptic number.

52219590 is an abundant number, since it is smaller than the sum of its proper divisors (73751610).

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

52219590 is a wasteful number, since it uses less digits than its factorization.

52219590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8956.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 52219590 is about 7226.3123375619. The cubic root of 52219590 is about 373.7757766438.

The spelling of 52219590 in words is "fifty-two million, two hundred nineteen thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 199 398 597 995 1194 1990 2985 5970 8747 17494 26241 43735 52482 87470 131205 262410 1740653 3481306 5221959 8703265 10443918 17406530 26109795 52219590