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141421 = 789227
BaseRepresentation
bin100010100001101101
321011222211
4202201231
514011141
63010421
71126210
oct424155
9234884
10141421
1197285
1269a11
134c4a7
1439777
152bd81
hex2286d

141421 has 8 divisors (see below), whose sum is σ = 164160. Its totient is φ = 119328.

The previous prime is 141413. The next prime is 141439. The reversal of 141421 is 124141.

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

It is a cyclic number.

It is not a de Polignac number, because 141421 - 23 = 141413 is a prime.

It is a Duffinian number.

141421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141461) 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, 510 + ... + 736.

It is an arithmetic number, because the mean of its divisors is an integer number (20520).

2141421 is an apocalyptic number.

It is an amenable number.

141421 is a deficient number, since it is larger than the sum of its proper divisors (22739).

141421 is an equidigital number, since it uses as much as digits as its factorization.

141421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 32, while the sum is 13.

The square root of 141421 is about 376.0598356645. The cubic root of 141421 is about 52.1000293495.

Adding to 141421 its reverse (124141), we get a palindrome (265562).

The spelling of 141421 in words is "one hundred forty-one thousand, four hundred twenty-one", and thus it is an iban number.

Divisors: 1 7 89 227 623 1589 20203 141421