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4531090005 = 3251350915217
BaseRepresentation
bin1000011100001001…
…01111001001010101
3102200210001012222100
410032010233021111
533234424340010
62025340552313
7220166425641
oct41604571125
912623035870
104531090005
111a15755a92
12a65552699
13572970960
1430dabdc21
151b7bd02c0
hex10e12f255

4531090005 has 48 divisors (see below), whose sum is σ = 8475208560. Its totient is φ = 2226161664.

The previous prime is 4531089973. The next prime is 4531090009. The reversal of 4531090005 is 5000901354.

It can be written as a sum of positive squares in 8 ways, for example, as 45037521 + 4486052484 = 6711^2 + 66978^2 .

It is not a de Polignac number, because 4531090005 - 25 = 4531089973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531090009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290157 + ... + 305373.

It is an arithmetic number, because the mean of its divisors is an integer number (176566845).

Almost surely, 24531090005 is an apocalyptic number.

4531090005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4531090005 is a deficient number, since it is larger than the sum of its proper divisors (3944118555).

4531090005 is a wasteful number, since it uses less digits than its factorization.

4531090005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15750 (or 15747 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 4531090005 is about 67313.3716656654. The cubic root of 4531090005 is about 1654.7570104765.

Adding to 4531090005 its reverse (5000901354), we get a palindrome (9531991359).

The spelling of 4531090005 in words is "four billion, five hundred thirty-one million, ninety thousand, five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 509 585 1527 2545 4581 6617 7635 15217 19851 22905 33085 45651 59553 76085 99255 136953 197821 228255 297765 593463 684765 989105 1780389 2967315 7745453 8901945 23236359 38727265 69709077 100690889 116181795 302072667 348545385 503454445 906218001 1510363335 4531090005