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8472523 is a prime number
BaseRepresentation
bin100000010100…
…011111001011
3120221110010011
4200110133023
54132110043
6501332351
7132005143
oct40243713
916843104
108472523
114867594
122a070b7
1319a8537
1411a7923
15b2559d
hex8147cb

8472523 has 2 divisors, whose sum is σ = 8472524. Its totient is φ = 8472522.

The previous prime is 8472509. The next prime is 8472539. The reversal of 8472523 is 3252748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8472523 - 29 = 8472011 is a prime.

8472523 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8472623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4236261 + 4236262.

It is an arithmetic number, because the mean of its divisors is an integer number (4236262).

Almost surely, 28472523 is an apocalyptic number.

8472523 is a deficient number, since it is larger than the sum of its proper divisors (1).

8472523 is an equidigital number, since it uses as much as digits as its factorization.

8472523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 31.

The square root of 8472523 is about 2910.7598664266. The cubic root of 8472523 is about 203.8626125441.

It can be divided in two parts, 84725 and 23, that added together give a palindrome (84748).

The spelling of 8472523 in words is "eight million, four hundred seventy-two thousand, five hundred twenty-three".