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BaseRepresentation
bin10001000100110101
310112221102
4101010311
54214231
61255445
7410624
oct210465
9115842
1069941
1148603
1234585
1325ab1
141b6bb
1515acb
hex11135

69941 has 2 divisors, whose sum is σ = 69942. Its totient is φ = 69940.

The previous prime is 69931. The next prime is 69959. The reversal of 69941 is 14996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46225 + 23716 = 215^2 + 154^2 .

It is a cyclic number.

It is not a de Polignac number, because 69941 - 26 = 69877 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69911) 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, 34970 + 34971.

It is an arithmetic number, because the mean of its divisors is an integer number (34971).

269941 is an apocalyptic number.

It is an amenable number.

69941 is a deficient number, since it is larger than the sum of its proper divisors (1).

69941 is an equidigital number, since it uses as much as digits as its factorization.

69941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

The square root of 69941 is about 264.4636080825. The cubic root of 69941 is about 41.2012708943.

Subtracting from 69941 its reverse (14996), we obtain a palindrome (54945).

The spelling of 69941 in words is "sixty-nine thousand, nine hundred forty-one".