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52805050 = 2521099689
BaseRepresentation
bin1100100101101…
…1110110111010
310200100202220121
43021123312322
5102004230200
65123443454
71210556404
oct311336672
9120322817
1052805050
1127897241
121582658a
13ac2b0bc
147027b74
154980e1a
hex325bdba

52805050 has 24 divisors (see below), whose sum is σ = 99128700. Its totient is φ = 20926080.

The previous prime is 52805041. The next prime is 52805057. The reversal of 52805050 is 5050825.

It can be written as a sum of positive squares in 6 ways, for example, as 25796241 + 27008809 = 5079^2 + 5197^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (52805057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606 + ... + 10294.

Almost surely, 252805050 is an apocalyptic number.

52805050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52805050 is a deficient number, since it is larger than the sum of its proper divisors (46323650).

52805050 is a wasteful number, since it uses less digits than its factorization.

52805050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9810 (or 9805 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 52805050 is about 7266.7083332139. The cubic root of 52805050 is about 375.1674511418.

Adding to 52805050 its reverse (5050825), we get a palindrome (57855875).

The spelling of 52805050 in words is "fifty-two million, eight hundred five thousand, fifty".

Divisors: 1 2 5 10 25 50 109 218 545 1090 2725 5450 9689 19378 48445 96890 242225 484450 1056101 2112202 5280505 10561010 26402525 52805050