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40413523 is a prime number
BaseRepresentation
bin1001101000101…
…0100101010011
32211001012221011
42122022211103
540321213043
64002111351
71000336453
oct232124523
984035834
1040413523
11208a3307
121164b557
1384acb37
14551dd63
15383459d
hex268a953

40413523 has 2 divisors, whose sum is σ = 40413524. Its totient is φ = 40413522.

The previous prime is 40413497. The next prime is 40413533. The reversal of 40413523 is 32531404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40413523 - 213 = 40405331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40413494 and 40413503.

It is not a weakly prime, because it can be changed into another prime (40413533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20206761 + 20206762.

It is an arithmetic number, because the mean of its divisors is an integer number (20206762).

Almost surely, 240413523 is an apocalyptic number.

40413523 is a deficient number, since it is larger than the sum of its proper divisors (1).

40413523 is an equidigital number, since it uses as much as digits as its factorization.

40413523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40413523 is about 6357.1631251683. The cubic root of 40413523 is about 343.1696752502.

Adding to 40413523 its reverse (32531404), we get a palindrome (72944927).

The spelling of 40413523 in words is "forty million, four hundred thirteen thousand, five hundred twenty-three".