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142241 = 1167193
BaseRepresentation
bin100010101110100001
321020010012
4202232201
514022431
63014305
71131461
oct425641
9236105
10142241
1197960
126a395
134c988
1439ba1
152c22b
hex22ba1

142241 has 8 divisors (see below), whose sum is σ = 158304. Its totient is φ = 126720.

The previous prime is 142237. The next prime is 142271.

142241 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142241 - 22 = 142237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641 + ... + 833.

It is an arithmetic number, because the mean of its divisors is an integer number (19788).

2142241 is an apocalyptic number.

142241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142241 is a deficient number, since it is larger than the sum of its proper divisors (16063).

142241 is a wasteful number, since it uses less digits than its factorization.

142241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its digits is 64, while the sum is 14.

The square root of 142241 is about 377.1485118624. The cubic root of 142241 is about 52.2005323806.

It can be divided in two parts, 142 and 241, that added together give a palindrome (383).

The spelling of 142241 in words is "one hundred forty-two thousand, two hundred forty-one", and thus it is an iban number.

Divisors: 1 11 67 193 737 2123 12931 142241