Search a number
-
+
442141 = 783761
BaseRepresentation
bin1101011111100011101
3211110111121
41223330131
5103122031
613250541
73521020
oct1537435
9743447
10442141
11282207
12193a51
1312632b
14b71b7
158b011
hex6bf1d

442141 has 8 divisors (see below), whose sum is σ = 512064. Its totient is φ = 373920.

The previous prime is 442139. The next prime is 442147. The reversal of 442141 is 141244.

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 442141 - 21 = 442139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 961.

It is an arithmetic number, because the mean of its divisors is an integer number (64008).

2442141 is an apocalyptic number.

It is an amenable number.

442141 is a deficient number, since it is larger than the sum of its proper divisors (69923).

442141 is an equidigital number, since it uses as much as digits as its factorization.

442141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its digits is 128, while the sum is 16.

The square root of 442141 is about 664.9368391058. The cubic root of 442141 is about 76.1822151323.

Adding to 442141 its reverse (141244), we get a palindrome (583385).

The spelling of 442141 in words is "four hundred forty-two thousand, one hundred forty-one", and thus it is an iban number.

Divisors: 1 7 83 581 761 5327 63163 442141