Search a number
29761 is a prime number
BaseRepresentation
bin111010001000001
31111211021
413101001
51423021
6345441
7152524
oct72101
944737
1029761
11203a6
1215281
1310714
14abbb
158c41
hex7441

29761 has 2 divisors, whose sum is σ = 29762. Its totient is φ = 29760.

The previous prime is 29759. The next prime is 29789. The reversal of 29761 is 16792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20736 + 9025 = 144^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 29761 - 21 = 29759 is a prime.

Together with 29759, it forms a pair of twin primes.

It is a plaindrome in base 14.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (29741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14880 + 14881.

It is an arithmetic number, because the mean of its divisors is an integer number (14881).

229761 is an apocalyptic number.

It is an amenable number.

29761 is a deficient number, since it is larger than the sum of its proper divisors (1).

29761 is an equidigital number, since it uses as much as digits as its factorization.

29761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 25.

The square root of 29761 is about 172.5137675665. The cubic root of 29761 is about 30.9895906778.

The spelling of 29761 in words is "twenty-nine thousand, seven hundred sixty-one".