Search a number
-
+
2731034242 = 28939172
BaseRepresentation
bin1010001011001000…
…0100011010000010
321001022220220200101
42202302010122002
521043121043432
61130555313014
7124451256646
oct24262043202
97038826611
102731034242
1111816634a2
1264274b76a
13346a613c1
141bc9d0c26
1510eb654e7
hexa2c84682

2731034242 has 12 divisors (see below), whose sum is σ = 4143637890. Its totient is φ = 1349829536.

The previous prime is 2731034227. The next prime is 2731034279. The reversal of 2731034242 is 2424301372.

It can be written as a sum of positive squares in 3 ways, for example, as 2595800601 + 135233641 = 50949^2 + 11629^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2731034242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 695268 + ... + 699184.

Almost surely, 22731034242 is an apocalyptic number.

2731034242 is a deficient number, since it is larger than the sum of its proper divisors (1412603648).

2731034242 is an frugal number, since it uses more digits than its factorization.

2731034242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7925 (or 4008 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 2731034242 is about 52259.2981391828. The cubic root of 2731034242 is about 1397.7914569030.

The spelling of 2731034242 in words is "two billion, seven hundred thirty-one million, thirty-four thousand, two hundred forty-two".

Divisors: 1 2 89 178 3917 7834 348613 697226 15342889 30685778 1365517121 2731034242