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442941029 = 4217105037
BaseRepresentation
bin11010011001101…
…011111001100101
31010212110201212022
4122121223321211
51401343103104
6111541432525
713655636156
oct3231537145
91125421768
10442941029
11208035173
1210440b745
13709c79ab
1442b8192d
1528d46bbe
hex1a66be65

442941029 has 4 divisors (see below), whose sum is σ = 443050284. Its totient is φ = 442831776.

The previous prime is 442940963. The next prime is 442941043. The reversal of 442941029 is 920149244.

It is a happy number.

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 180176929 + 262764100 = 13423^2 + 16210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-442941029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442941029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442941089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48302 + ... + 56735.

It is an arithmetic number, because the mean of its divisors is an integer number (110762571).

Almost surely, 2442941029 is an apocalyptic number.

It is an amenable number.

442941029 is a deficient number, since it is larger than the sum of its proper divisors (109255).

442941029 is a wasteful number, since it uses less digits than its factorization.

442941029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109254.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 442941029 is about 21046.1642348434. The cubic root of 442941029 is about 762.2813657495.

The spelling of 442941029 in words is "four hundred forty-two million, nine hundred forty-one thousand, twenty-nine".

Divisors: 1 4217 105037 442941029