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141281 = 720183
BaseRepresentation
bin100010011111100001
321011210122
4202133201
514010111
63010025
71125620
oct423741
9234718
10141281
1197168
1269915
134c3ca
14396b7
152bcdb
hex227e1

141281 has 4 divisors (see below), whose sum is σ = 161472. Its totient is φ = 121092.

The previous prime is 141277. The next prime is 141283. The reversal of 141281 is 182141.

141281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141281 - 22 = 141277 is a prime.

It is a super-2 number, since 2×1412812 = 39920641922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 141281.

It is not an unprimeable number, because it can be changed into a prime (141283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10085 + ... + 10098.

It is an arithmetic number, because the mean of its divisors is an integer number (40368).

2141281 is an apocalyptic number.

It is an amenable number.

141281 is a deficient number, since it is larger than the sum of its proper divisors (20191).

141281 is an equidigital number, since it uses as much as digits as its factorization.

141281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20190.

The product of its digits is 64, while the sum is 17.

The square root of 141281 is about 375.8736489833. The cubic root of 141281 is about 52.0828314974.

It can be divided in two parts, 141 and 281, that multiplied together give a triangular number (39621 = T281).

The spelling of 141281 in words is "one hundred forty-one thousand, two hundred eighty-one".

Divisors: 1 7 20183 141281