Search a number
-
+
2440052305 = 5488010461
BaseRepresentation
bin1001000101110000…
…0011111001010001
320022001101111111121
42101130003321101
514444123133210
61042042442241
7114316050055
oct22134037121
96261344447
102440052305
111042389459
12581203381
132cb6a0242
141920c7c65
15e43386da
hex91703e51

2440052305 has 4 divisors (see below), whose sum is σ = 2928062772. Its totient is φ = 1952041840.

The previous prime is 2440052299. The next prime is 2440052317. The reversal of 2440052305 is 5032500442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 314565696 + 2125486609 = 17736^2 + 46103^2 .

It is not a de Polignac number, because 2440052305 - 211 = 2440050257 is a prime.

It is a super-2 number, since 2×24400523052 = 11907710502271626050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2440052305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244005226 + ... + 244005235.

It is an arithmetic number, because the mean of its divisors is an integer number (732015693).

Almost surely, 22440052305 is an apocalyptic number.

It is an amenable number.

2440052305 is a deficient number, since it is larger than the sum of its proper divisors (488010467).

2440052305 is an equidigital number, since it uses as much as digits as its factorization.

2440052305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488010466.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2440052305 is about 49396.8855799634. The cubic root of 2440052305 is about 1346.2727190963.

Adding to 2440052305 its reverse (5032500442), we get a palindrome (7472552747).

The spelling of 2440052305 in words is "two billion, four hundred forty million, fifty-two thousand, three hundred five".

Divisors: 1 5 488010461 2440052305