Search a number
-
+
2240454521 = 19337349907
BaseRepresentation
bin1000010110001010…
…1001111101111001
312210010210212211002
42011202221331321
514042024021041
61010152414345
7106343356244
oct20542517571
95703725732
102240454521
11a4a750708
125263a73b5
13299227046
141737ac25b
15d1a5d59b
hex858a9f79

2240454521 has 8 divisors (see below), whose sum is σ = 2365378080. Its totient is φ = 2116231488.

The previous prime is 2240454511. The next prime is 2240454533. The reversal of 2240454521 is 1254540422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2240454521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240454511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168551 + ... + 181356.

It is an arithmetic number, because the mean of its divisors is an integer number (295672260).

Almost surely, 22240454521 is an apocalyptic number.

It is an amenable number.

2240454521 is a deficient number, since it is larger than the sum of its proper divisors (124923559).

2240454521 is a wasteful number, since it uses less digits than its factorization.

2240454521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350263.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2240454521 is about 47333.4397757019. The cubic root of 2240454521 is about 1308.5150162053.

Adding to 2240454521 its reverse (1254540422), we get a palindrome (3494994943).

The spelling of 2240454521 in words is "two billion, two hundred forty million, four hundred fifty-four thousand, five hundred twenty-one".

Divisors: 1 19 337 6403 349907 6648233 117918659 2240454521