Search a number
-
+
2440197287 = 114114936313
BaseRepresentation
bin1001000101110010…
…0111010010100111
320022001122212101022
42101130213102213
514444142303122
61042045521355
7114320222543
oct22134472247
96261585338
102440197287
111042478380
1258127325b
132cb721228
14192124a23
15e4366642
hex917274a7

2440197287 has 16 divisors (see below), whose sum is σ = 2745338400. Its totient is φ = 2149670400.

The previous prime is 2440197251. The next prime is 2440197311. The reversal of 2440197287 is 7827910442.

2440197287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2440197287 - 28 = 2440197031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440197247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49043 + ... + 85355.

It is an arithmetic number, because the mean of its divisors is an integer number (171583650).

Almost surely, 22440197287 is an apocalyptic number.

2440197287 is a deficient number, since it is larger than the sum of its proper divisors (305141113).

2440197287 is a wasteful number, since it uses less digits than its factorization.

2440197287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36514.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 2440197287 is about 49398.3530798346. The cubic root of 2440197287 is about 1346.2993826566.

The spelling of 2440197287 in words is "two billion, four hundred forty million, one hundred ninety-seven thousand, two hundred eighty-seven".

Divisors: 1 11 41 149 451 1639 6109 36313 67199 399443 1488833 5410637 16377163 59517007 221836117 2440197287