Search a number
-
+
2856828442 = 213109878017
BaseRepresentation
bin1010101001000111…
…1011111000011010
321101002121220212211
42222101323320122
521322322002232
61151251425334
7130536432616
oct25221737032
97332556784
102856828442
111236672546
126788b524a
13366b36740
141d15b8346
1511ac12a47
hexaa47be1a

2856828442 has 8 divisors (see below), whose sum is σ = 4614876756. Its totient is φ = 1318536192.

The previous prime is 2856828437. The next prime is 2856828451. The reversal of 2856828442 is 2448286582.

It can be written as a sum of positive squares in 2 ways, for example, as 2655443961 + 201384481 = 51531^2 + 14191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28568284422 = 16322937494040294728, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54938983 + ... + 54939034.

Almost surely, 22856828442 is an apocalyptic number.

2856828442 is a deficient number, since it is larger than the sum of its proper divisors (1758048314).

2856828442 is a wasteful number, since it uses less digits than its factorization.

2856828442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109878032.

The product of its digits is 1966080, while the sum is 49.

The square root of 2856828442 is about 53449.3072172128. The cubic root of 2856828442 is about 1418.9313592425.

The spelling of 2856828442 in words is "two billion, eight hundred fifty-six million, eight hundred twenty-eight thousand, four hundred forty-two".

Divisors: 1 2 13 26 109878017 219756034 1428414221 2856828442