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442311041 = 1133914257
BaseRepresentation
bin11010010111010…
…010000110000001
31010211021201200102
4122113102012001
51401212423131
6111520132145
713650403364
oct3227220601
91124251612
10442311041
11207744917
12104167055
1370837013
1442a5a0db
1528c701cb
hex1a5d2181

442311041 has 4 divisors (see below), whose sum is σ = 446225412. Its totient is φ = 438396672.

The previous prime is 442311011. The next prime is 442311047. The reversal of 442311041 is 140113244.

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 20214016 + 422097025 = 4496^2 + 20545^2 .

It is a cyclic number.

It is not a de Polignac number, because 442311041 - 26 = 442310977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442311047) 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, 1957016 + ... + 1957241.

It is an arithmetic number, because the mean of its divisors is an integer number (111556353).

Almost surely, 2442311041 is an apocalyptic number.

It is an amenable number.

442311041 is a deficient number, since it is larger than the sum of its proper divisors (3914371).

442311041 is a wasteful number, since it uses less digits than its factorization.

442311041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914370.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 442311041 is about 21031.1920965028. The cubic root of 442311041 is about 761.9198007139.

Adding to 442311041 its reverse (140113244), we get a palindrome (582424285).

The spelling of 442311041 in words is "four hundred forty-two million, three hundred eleven thousand, forty-one".

Divisors: 1 113 3914257 442311041