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4648489909 = 721634091423
BaseRepresentation
bin1000101010001001…
…00101001110110101
3102222221221202100221
410111010211032311
534010003134114
62045133134341
7223123340500
oct42504451665
912887852327
104648489909
111a75a512a8
12a9892a3b1
1359109725b
14321520137
151c3170524
hex1151253b5

4648489909 has 24 divisors (see below), whose sum is σ = 5457736320. Its totient is φ = 3947517504.

The previous prime is 4648489891. The next prime is 4648489961. The reversal of 4648489909 is 9099848464.

It is not a de Polignac number, because 4648489909 - 225 = 4614935477 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 (4648489009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3265972 + ... + 3267394.

It is an arithmetic number, because the mean of its divisors is an integer number (227405680).

Almost surely, 24648489909 is an apocalyptic number.

4648489909 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4648489909 is a deficient number, since it is larger than the sum of its proper divisors (809246411).

4648489909 is a wasteful number, since it uses less digits than its factorization.

4648489909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 61.

The square root of 4648489909 is about 68179.8350614021. The cubic root of 4648489909 is about 1668.9268337924.

The spelling of 4648489909 in words is "four billion, six hundred forty-eight million, four hundred eighty-nine thousand, nine hundred nine".

Divisors: 1 7 49 163 409 1141 1423 2863 7987 9961 20041 66667 69727 231949 466669 582007 1623643 3266683 4074049 11365501 28518343 94867141 664069987 4648489909