Search a number
-
+
442835830439 = 7938914410069
BaseRepresentation
bin1100111000110110001…
…00101000011010100111
31120100000222202000112022
412130123010220122213
524223411433033224
6535234100413355
743664612311022
oct6343304503247
91510028660468
10442835830439
11160895310862
12719a89a725b
13329b4084882
141760d2401b9
15b7bc34665e
hex671b1286a7

442835830439 has 8 divisors (see below), whose sum is σ = 449594184000. Its totient is φ = 436106297952.

The previous prime is 442835830417. The next prime is 442835830441. The reversal of 442835830439 is 934038538244.

It is a happy number.

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 442835830439 - 236 = 374116353703 is a prime.

It is a super-3 number, since 3×4428358304393 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442835830499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7174304 + ... + 7235765.

It is an arithmetic number, because the mean of its divisors is an integer number (56199273000).

Almost surely, 2442835830439 is an apocalyptic number.

442835830439 is a deficient number, since it is larger than the sum of its proper divisors (6758353561).

442835830439 is a wasteful number, since it uses less digits than its factorization.

442835830439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14410537.

The product of its (nonzero) digits is 9953280, while the sum is 53.

The spelling of 442835830439 in words is "four hundred forty-two billion, eight hundred thirty-five million, eight hundred thirty thousand, four hundred thirty-nine".

Divisors: 1 79 389 30731 14410069 1138395451 5605516841 442835830439