Search a number
-
+
2774734842 = 2311131320927
BaseRepresentation
bin1010010101100011…
…0001011111111010
321011101011010122010
42211120301133322
521140313003332
61135200110350
7125521566645
oct24530613772
97141133563
102774734842
1111a42a13a0
126553053b6
13352b22449
141c4728a5c
151138e89cc
hexa56317fa

2774734842 has 32 divisors (see below), whose sum is σ = 6100199424. Its totient is φ = 834407600.

The previous prime is 2774734829. The next prime is 2774734861. The reversal of 2774734842 is 2484374772.

It is a junction number, because it is equal to n+sod(n) for n = 2774734791 and 2774734800.

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, 151818 + ... + 169109.

It is an arithmetic number, because the mean of its divisors is an integer number (190631232).

Almost surely, 22774734842 is an apocalyptic number.

2774734842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2774734842 is an abundant number, since it is smaller than the sum of its proper divisors (3325464582).

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

2774734842 is a wasteful number, since it uses less digits than its factorization.

2774734842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321074.

The product of its digits is 2107392, while the sum is 48.

The square root of 2774734842 is about 52675.7519357816. The cubic root of 2774734842 is about 1405.2076190019.

The spelling of 2774734842 in words is "two billion, seven hundred seventy-four million, seven hundred thirty-four thousand, eight hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 131 262 393 786 1441 2882 4323 8646 320927 641854 962781 1925562 3530197 7060394 10590591 21181182 42041437 84082874 126124311 252248622 462455807 924911614 1387367421 2774734842