Search a number
-
+
565142540 = 225198714221
BaseRepresentation
bin100001101011110…
…110010000001100
31110101102012211012
4201223312100030
52124134030130
6132024544352
720001426614
oct4153662014
91411365735
10565142540
1127000aa56
121393220b8
1390112991
14550b1a44
1534934995
hex21af640c

565142540 has 24 divisors (see below), whose sum is σ = 1187480112. Its totient is φ = 225927360.

The previous prime is 565142527. The next prime is 565142549. The reversal of 565142540 is 45241565.

It is a junction number, because it is equal to n+sod(n) for n = 565142497 and 565142506.

It is not an unprimeable number, because it can be changed into a prime (565142549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32630 + ... + 46850.

It is an arithmetic number, because the mean of its divisors is an integer number (49478338).

Almost surely, 2565142540 is an apocalyptic number.

It is an amenable number.

565142540 is an abundant number, since it is smaller than the sum of its proper divisors (622337572).

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

565142540 is a wasteful number, since it uses less digits than its factorization.

565142540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16217 (or 16215 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 565142540 is about 23772.7268103598. The cubic root of 565142540 is about 826.7724561833.

The spelling of 565142540 in words is "five hundred sixty-five million, one hundred forty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1987 3974 7948 9935 14221 19870 28442 39740 56884 71105 142210 284420 28257127 56514254 113028508 141285635 282571270 565142540