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4285404639 = 323743299281
BaseRepresentation
bin1111111101101110…
…0001010111011111
3102001122202010000100
43333123201113133
532234030422024
61545123032143
7211124224035
oct37733412737
912048663010
104285404639
1118a9aa9a2a
129b720b653
13533aac0b9
142c9208555
151a134e7c9
hexff6e15df

4285404639 has 24 divisors (see below), whose sum is σ = 6505193552. Its totient is φ = 2715068160.

The previous prime is 4285404637. The next prime is 4285404709. The reversal of 4285404639 is 9364045824.

4285404639 is a `hidden beast` number, since 4 + 2 + 8 + 5 + 4 + 0 + 4 + 639 = 666.

It is not a de Polignac number, because 4285404639 - 21 = 4285404637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4285404594 and 4285404603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4285404637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135322 + ... + 163959.

Almost surely, 24285404639 is an apocalyptic number.

4285404639 is a deficient number, since it is larger than the sum of its proper divisors (2219788913).

4285404639 is a wasteful number, since it uses less digits than its factorization.

4285404639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299367 (or 299364 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 4285404639 is about 65463.0020622336. The cubic root of 4285404639 is about 1624.2914009065.

The spelling of 4285404639 in words is "four billion, two hundred eighty-five million, four hundred four thousand, six hundred thirty-nine".

Divisors: 1 3 9 37 43 111 129 333 387 1591 4773 14319 299281 897843 2693529 11073397 12869083 33220191 38607249 99660573 115821747 476156071 1428468213 4285404639