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52240443 = 3191496151
BaseRepresentation
bin1100011101001…
…0000000111011
310122022002102020
43013102000323
5101333143233
65103405523
71203015333
oct307220073
9118262366
1052240443
1127541022
12155b38a3
13aa91108
146d1c0c3
1548bd9b3
hex31d203b

52240443 has 16 divisors (see below), whose sum is σ = 73824000. Its totient is φ = 32767200.

The previous prime is 52240427. The next prime is 52240469. The reversal of 52240443 is 34404225.

It is not a de Polignac number, because 52240443 - 24 = 52240427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52240403) 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, 5418 + ... + 11568.

It is an arithmetic number, because the mean of its divisors is an integer number (4614000).

Almost surely, 252240443 is an apocalyptic number.

52240443 is a deficient number, since it is larger than the sum of its proper divisors (21583557).

52240443 is a wasteful number, since it uses less digits than its factorization.

52240443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 52240443 is about 7227.7550456556. The cubic root of 52240443 is about 373.8255236767.

Adding to 52240443 its reverse (34404225), we get a palindrome (86644668).

The spelling of 52240443 in words is "fifty-two million, two hundred forty thousand, four hundred forty-three".

Divisors: 1 3 19 57 149 447 2831 6151 8493 18453 116869 350607 916499 2749497 17413481 52240443