Search a number
-
+
2871839442 = 233179195443
BaseRepresentation
bin1010101100101100…
…1100101011010010
321102010212120002210
42223023030223102
521340142330232
61152545252550
7131111142513
oct25313145322
97363776083
102871839442
11124409552a
12681934156
13369c910a4
141d35a4a0a
1511c1ca5cc
hexab2ccad2

2871839442 has 32 divisors (see below), whose sum is σ = 6004039680. Its totient is φ = 914668560.

The previous prime is 2871839431. The next prime is 2871839479. The reversal of 2871839442 is 2449381782.

2871839442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2871839391 and 2871839400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83028 + ... + 112415.

It is an arithmetic number, because the mean of its divisors is an integer number (187626240).

Almost surely, 22871839442 is an apocalyptic number.

2871839442 is an abundant number, since it is smaller than the sum of its proper divisors (3132200238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2871839442 is a wasteful number, since it uses less digits than its factorization.

2871839442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195558.

The product of its digits is 774144, while the sum is 48.

The square root of 2871839442 is about 53589.5460141248. The cubic root of 2871839442 is about 1421.4122434215.

The spelling of 2871839442 in words is "two billion, eight hundred seventy-one million, eight hundred thirty-nine thousand, four hundred forty-two".

Divisors: 1 2 3 6 31 62 79 93 158 186 237 474 2449 4898 7347 14694 195443 390886 586329 1172658 6058733 12117466 15439997 18176199 30879994 36352398 46319991 92639982 478639907 957279814 1435919721 2871839442