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523620041 = 7372021699
BaseRepresentation
bin11111001101011…
…100111011001001
31100111021122122212
4133031130323021
52033021320131
6123542554505
715655461020
oct3715347311
91314248585
10523620041
1124962a53a
12127438a35
1384635159
144d7838b7
1530e81a2b
hex1f35cec9

523620041 has 8 divisors (see below), whose sum is σ = 614596800. Its totient is φ = 436686768.

The previous prime is 523620037. The next prime is 523620131. The reversal of 523620041 is 140026325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 523620041 - 22 = 523620037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523619989 and 523620016.

It is not an unprimeable number, because it can be changed into a prime (523620341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010591 + ... + 1011108.

It is an arithmetic number, because the mean of its divisors is an integer number (76824600).

Almost surely, 2523620041 is an apocalyptic number.

It is an amenable number.

523620041 is a deficient number, since it is larger than the sum of its proper divisors (90976759).

523620041 is a wasteful number, since it uses less digits than its factorization.

523620041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021743.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 523620041 is about 22882.7454865014. The cubic root of 523620041 is about 806.0068884141.

Adding to 523620041 its reverse (140026325), we get a palindrome (663646366).

The spelling of 523620041 in words is "five hundred twenty-three million, six hundred twenty thousand, forty-one".

Divisors: 1 7 37 259 2021699 14151893 74802863 523620041