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8438141 is a prime number
BaseRepresentation
bin100000001100…
…000101111101
3120212200221202
4200030011331
54130010031
6500505245
7131502665
oct40140575
916780852
108438141
114843778
1229ab225
1319959aa
1411991a5
15b1a2cb
hex80c17d

8438141 has 2 divisors, whose sum is σ = 8438142. Its totient is φ = 8438140.

The previous prime is 8438123. The next prime is 8438161. The reversal of 8438141 is 1418348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4713241 + 3724900 = 2171^2 + 1930^2 .

It is a cyclic number.

It is not a de Polignac number, because 8438141 - 214 = 8421757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8438161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4219070 + 4219071.

It is an arithmetic number, because the mean of its divisors is an integer number (4219071).

Almost surely, 28438141 is an apocalyptic number.

It is an amenable number.

8438141 is a deficient number, since it is larger than the sum of its proper divisors (1).

8438141 is an equidigital number, since it uses as much as digits as its factorization.

8438141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 29.

The square root of 8438141 is about 2904.8478445523. The cubic root of 8438141 is about 203.5864764969.

The spelling of 8438141 in words is "eight million, four hundred thirty-eight thousand, one hundred forty-one".