Search a number
-
+
2828203861 = 717532691667
BaseRepresentation
bin1010100010010010…
…1111011101010101
321022002202122100011
42220210233131111
521243010010421
61144350120221
7130041223210
oct25044573525
97262678304
102828203861
1112214a146a
1266b1b0071
13360c23812
141cb886777
1511845b4e1
hexa892f755

2828203861 has 32 divisors (see below), whose sum is σ = 3501999360. Its totient is φ = 2228868096.

The previous prime is 2828203853. The next prime is 2828203867. The reversal of 2828203861 is 1683028282.

It is not a de Polignac number, because 2828203861 - 23 = 2828203853 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 (2828203867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1695750 + ... + 1697416.

It is an arithmetic number, because the mean of its divisors is an integer number (109437480).

Almost surely, 22828203861 is an apocalyptic number.

It is an amenable number.

2828203861 is a deficient number, since it is larger than the sum of its proper divisors (673795499).

2828203861 is a wasteful number, since it uses less digits than its factorization.

2828203861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 2828203861 is about 53180.8599121902. The cubic root of 2828203861 is about 1414.1763507696.

The spelling of 2828203861 in words is "two billion, eight hundred twenty-eight million, two hundred three thousand, eight hundred sixty-one".

Divisors: 1 7 17 53 119 269 371 901 1667 1883 4573 6307 11669 14257 28339 32011 88351 99799 198373 242369 448423 618457 1501967 1696583 3138961 7623191 10513769 23766419 53362337 166364933 404029123 2828203861