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4284808639 = 171092312363
BaseRepresentation
bin1111111101100100…
…1111110110111111
3102001121121211110021
43333121033312333
532233402334024
61545102153011
7211116162316
oct37731176677
912047554407
104284808639
1118a9732171
129b6b82767
13533930a37
142c90d127d
151a1282de4
hexff64fdbf

4284808639 has 8 divisors (see below), whose sum is σ = 4578480720. Its totient is φ = 3995761536.

The previous prime is 4284808637. The next prime is 4284808651. The reversal of 4284808639 is 9368084824.

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 4284808639 - 21 = 4284808637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4284808631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154329 + ... + 1158034.

It is an arithmetic number, because the mean of its divisors is an integer number (572310090).

Almost surely, 24284808639 is an apocalyptic number.

4284808639 is a deficient number, since it is larger than the sum of its proper divisors (293672081).

4284808639 is a wasteful number, since it uses less digits than its factorization.

4284808639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312489.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The square root of 4284808639 is about 65458.4497143035. The cubic root of 4284808639 is about 1624.2160970446.

The spelling of 4284808639 in words is "four billion, two hundred eighty-four million, eight hundred eight thousand, six hundred thirty-nine".

Divisors: 1 17 109 1853 2312363 39310171 252047567 4284808639