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8423507 is a prime number
BaseRepresentation
bin100000001000…
…100001010011
3120211221212202
4200020201103
54124023012
6500313415
7131412221
oct40104123
916757782
108423507
114833784
1229a286b
13198c131
141193b11
15b15cc2
hex808853

8423507 has 2 divisors, whose sum is σ = 8423508. Its totient is φ = 8423506.

The previous prime is 8423477. The next prime is 8423549. The reversal of 8423507 is 7053248.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8423507 - 214 = 8407123 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8423507.

It is not a weakly prime, because it can be changed into another prime (8423407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211753 + 4211754.

It is an arithmetic number, because the mean of its divisors is an integer number (4211754).

Almost surely, 28423507 is an apocalyptic number.

8423507 is a deficient number, since it is larger than the sum of its proper divisors (1).

8423507 is an equidigital number, since it uses as much as digits as its factorization.

8423507 is an odious number, because the sum of its binary digits is odd.

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

The square root of 8423507 is about 2902.3278588058. The cubic root of 8423507 is about 203.4687172080.

The spelling of 8423507 in words is "eight million, four hundred twenty-three thousand, five hundred seven".