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442031041 = 873750593
BaseRepresentation
bin11010010110001…
…101101111000001
31010210202111121001
4122112031233001
51401124443131
6111510132001
713645126144
oct3226155701
91123674531
10442031041
11207573511
12104051001
137076973a
14429c605b
1528c17261
hex1a58dbc1

442031041 has 4 divisors (see below), whose sum is σ = 442090372. Its totient is φ = 441971712.

The previous prime is 442031039. The next prime is 442031053. The reversal of 442031041 is 140130244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 189888400 + 252142641 = 13780^2 + 15879^2 .

It is a cyclic number.

It is not a de Polignac number, because 442031041 - 21 = 442031039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442031011) 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, 16560 + ... + 34033.

It is an arithmetic number, because the mean of its divisors is an integer number (110522593).

Almost surely, 2442031041 is an apocalyptic number.

It is an amenable number.

442031041 is a deficient number, since it is larger than the sum of its proper divisors (59331).

442031041 is an equidigital number, since it uses as much as digits as its factorization.

442031041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59330.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 442031041 is about 21024.5342635693. The cubic root of 442031041 is about 761.7589918733.

Adding to 442031041 its reverse (140130244), we get a palindrome (582161285).

The spelling of 442031041 in words is "four hundred forty-two million, thirty-one thousand, forty-one".

Divisors: 1 8737 50593 442031041