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438941 is a prime number
BaseRepresentation
bin1101011001010011101
3211022010002
41223022131
5103021231
613224045
73505466
oct1531235
9738102
10438941
1127a868
12192025
13124a39
14b5d6d
158a0cb
hex6b29d

438941 has 2 divisors, whose sum is σ = 438942. Its totient is φ = 438940.

The previous prime is 438937. The next prime is 438953. The reversal of 438941 is 149834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319225 + 119716 = 565^2 + 346^2 .

It is a cyclic number.

It is not a de Polignac number, because 438941 - 22 = 438937 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438961) 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, 219470 + 219471.

It is an arithmetic number, because the mean of its divisors is an integer number (219471).

2438941 is an apocalyptic number.

It is an amenable number.

438941 is a deficient number, since it is larger than the sum of its proper divisors (1).

438941 is an equidigital number, since it uses as much as digits as its factorization.

438941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 438941 is about 662.5262258960. The cubic root of 438941 is about 75.9979800941.

The spelling of 438941 in words is "four hundred thirty-eight thousand, nine hundred forty-one".