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52240250 = 253208961
BaseRepresentation
bin1100011101000…
…1111101111010
310122022002011002
43013101331322
5101333142000
65103405002
71203014636
oct307217572
9118262132
1052240250
1127540967
12155b3762
13aa90cba
146d1bdc6
1548bd8d5
hex31d1f7a

52240250 has 16 divisors (see below), whose sum is σ = 97794216. Its totient is φ = 20896000.

The previous prime is 52240247. The next prime is 52240267. The reversal of 52240250 is 5204225.

It can be written as a sum of positive squares in 4 ways, for example, as 30459361 + 21780889 = 5519^2 + 4667^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104231 + ... + 104730.

Almost surely, 252240250 is an apocalyptic number.

52240250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52240250 is a deficient number, since it is larger than the sum of its proper divisors (45553966).

52240250 is a wasteful number, since it uses less digits than its factorization.

52240250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208978 (or 208968 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 52240250 is about 7227.7416943330. The cubic root of 52240250 is about 373.8250633155.

Adding to 52240250 its reverse (5204225), we get a palindrome (57444475).

The spelling of 52240250 in words is "fifty-two million, two hundred forty thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 208961 417922 1044805 2089610 5224025 10448050 26120125 52240250