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442304067 = 3823179143
BaseRepresentation
bin11010010111010…
…000011001000011
31010211021101010010
4122113100121003
51401212212232
6111520040003
713650344142
oct3227203103
91124241103
10442304067
1120773a657
12104163003
1370833aaa
1442a57759
1528c6d0cc
hex1a5d0643

442304067 has 8 divisors (see below), whose sum is σ = 590458624. Its totient is φ = 294509448.

The previous prime is 442304041. The next prime is 442304069. The reversal of 442304067 is 760403244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442304067 - 26 = 442304003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442304069) 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, 87103 + ... + 92040.

It is an arithmetic number, because the mean of its divisors is an integer number (73807328).

Almost surely, 2442304067 is an apocalyptic number.

442304067 is a deficient number, since it is larger than the sum of its proper divisors (148154557).

442304067 is a wasteful number, since it uses less digits than its factorization.

442304067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179969.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 442304067 is about 21031.0262945012. The cubic root of 442304067 is about 761.9157962494.

The spelling of 442304067 in words is "four hundred forty-two million, three hundred four thousand, sixty-seven".

Divisors: 1 3 823 2469 179143 537429 147434689 442304067