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523712441 = 7210688009
BaseRepresentation
bin11111001101110…
…011011110111001
31100111110100102002
4133031303132321
52033032244231
6123544550345
715656324300
oct3715633671
91314410362
10523712441
112496929aa
121274823b5
1384668225
144d7a9437
1530e9e0cb
hex1f3737b9

523712441 has 6 divisors (see below), whose sum is σ = 609216570. Its totient is φ = 448896336.

The previous prime is 523712417. The next prime is 523712443. The reversal of 523712441 is 144217325.

It can be written as a sum of positive squares in only one way, i.e., 512796025 + 10916416 = 22645^2 + 3304^2 .

It is not a de Polignac number, because 523712441 - 26 = 523712377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (523712443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5343956 + ... + 5344053.

It is an arithmetic number, because the mean of its divisors is an integer number (101536095).

Almost surely, 2523712441 is an apocalyptic number.

It is an amenable number.

523712441 is a deficient number, since it is larger than the sum of its proper divisors (85504129).

523712441 is a wasteful number, since it uses less digits than its factorization.

523712441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10688023 (or 10688016 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 523712441 is about 22884.7643859403. The cubic root of 523712441 is about 806.0542959809.

Adding to 523712441 its reverse (144217325), we get a palindrome (667929766).

The spelling of 523712441 in words is "five hundred twenty-three million, seven hundred twelve thousand, four hundred forty-one".

Divisors: 1 7 49 10688009 74816063 523712441