Search a number
-
+
1340256056 = 237317912821
BaseRepresentation
bin100111111100010…
…1010111100111000
310110101221001200012
41033320222330320
510221101143211
6340554201052
745132663026
oct11770527470
93411831605
101340256056
116285a3237
12314a23188
13184891229
14c9ddd716
157c9e2d8b
hex4fe2af38

1340256056 has 32 divisors (see below), whose sum is σ = 2561835600. Its totient is φ = 657204480.

The previous prime is 1340256053. The next prime is 1340256061. The reversal of 1340256056 is 6506520431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340256053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98126 + ... + 110946.

Almost surely, 21340256056 is an apocalyptic number.

It is an amenable number.

1340256056 is a deficient number, since it is larger than the sum of its proper divisors (1221579544).

1340256056 is a wasteful number, since it uses less digits than its factorization.

1340256056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13079 (or 13075 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1340256056 is about 36609.5077268187. The cubic root of 1340256056 is about 1102.5439896201.

Adding to 1340256056 its reverse (6506520431), we get a palindrome (7846776487).

The spelling of 1340256056 in words is "one billion, three hundred forty million, two hundred fifty-six thousand, fifty-six".

Divisors: 1 2 4 8 73 146 179 292 358 584 716 1432 12821 13067 25642 26134 51284 52268 102568 104536 935933 1871866 2294959 3743732 4589918 7487464 9179836 18359672 167532007 335064014 670128028 1340256056