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141689 is a prime number
BaseRepresentation
bin100010100101111001
321012100202
4202211321
514013224
63011545
71130042
oct424571
9235322
10141689
11974a9
1269bb5
134c652
14398c9
152beae
hex22979

141689 has 2 divisors, whose sum is σ = 141690. Its totient is φ = 141688.

The previous prime is 141679. The next prime is 141697. The reversal of 141689 is 986141.

141689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133225 + 8464 = 365^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 141689 - 212 = 137593 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (141619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70844 + 70845.

It is an arithmetic number, because the mean of its divisors is an integer number (70845).

2141689 is an apocalyptic number.

It is an amenable number.

141689 is a deficient number, since it is larger than the sum of its proper divisors (1).

141689 is an equidigital number, since it uses as much as digits as its factorization.

141689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 141689 is about 376.4159932840. The cubic root of 141689 is about 52.1329193189.

The spelling of 141689 in words is "one hundred forty-one thousand, six hundred eighty-nine".