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4538669 is a prime number
BaseRepresentation
bin10001010100000100101101
322112120212212
4101110010231
52130214134
6241140205
753402162
oct21240455
98476785
104538669
11261aa73
12162a665
13c2bb05
14862069
155e9bce
hex45412d

4538669 has 2 divisors, whose sum is σ = 4538670. Its totient is φ = 4538668.

The previous prime is 4538657. The next prime is 4538671. The reversal of 4538669 is 9668354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4368100 + 170569 = 2090^2 + 413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4538669 is a prime.

It is a super-2 number, since 2×45386692 = 41199032583122, which contains 22 as substring.

Together with 4538671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4538069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269334 + 2269335.

It is an arithmetic number, because the mean of its divisors is an integer number (2269335).

Almost surely, 24538669 is an apocalyptic number.

It is an amenable number.

4538669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4538669 is an equidigital number, since it uses as much as digits as its factorization.

4538669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 4538669 is about 2130.4152177451. The cubic root of 4538669 is about 165.5679114508.

The spelling of 4538669 in words is "four million, five hundred thirty-eight thousand, six hundred sixty-nine".