Search a number
-
+
2245008009 = 3748336003
BaseRepresentation
bin1000010111010000…
…0001101010001001
312210110101020000210
42011310001222021
514044210224014
61010434151333
7106430152566
oct20564015211
95713336023
102245008009
11a52280822
12527a22549
1329a15c80a
1417423586d
15d215c859
hex85d01a89

2245008009 has 4 divisors (see below), whose sum is σ = 2993344016. Its totient is φ = 1496672004.

The previous prime is 2245007983. The next prime is 2245008019. The reversal of 2245008009 is 9008005422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2245008009 - 27 = 2245007881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245008019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374167999 + ... + 374168004.

It is an arithmetic number, because the mean of its divisors is an integer number (748336004).

Almost surely, 22245008009 is an apocalyptic number.

It is an amenable number.

2245008009 is a deficient number, since it is larger than the sum of its proper divisors (748336007).

2245008009 is an equidigital number, since it uses as much as digits as its factorization.

2245008009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748336006.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2245008009 is about 47381.5154780849. The cubic root of 2245008009 is about 1309.4008893433.

The spelling of 2245008009 in words is "two billion, two hundred forty-five million, eight thousand, nine".

Divisors: 1 3 748336003 2245008009