Search a number
-
+
8480449 = 50916661
BaseRepresentation
bin100000010110…
…011011000001
3120221211222201
4200112123001
54132333244
6501433201
7132040225
oct40263301
916854881
108480449
11487253a
122a0b801
1319ac023
1411aa785
15b27ad4
hex8166c1

8480449 has 4 divisors (see below), whose sum is σ = 8497620. Its totient is φ = 8463280.

The previous prime is 8480447. The next prime is 8480471. The reversal of 8480449 is 9440848.

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 5607424 + 2873025 = 2368^2 + 1695^2 .

It is a cyclic number.

It is not a de Polignac number, because 8480449 - 21 = 8480447 is a prime.

It is a d-powerful number, because it can be written as 8 + 42 + 85 + 0 + 411 + 411 + 95 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8480443) 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, 7822 + ... + 8839.

It is an arithmetic number, because the mean of its divisors is an integer number (2124405).

Almost surely, 28480449 is an apocalyptic number.

It is an amenable number.

8480449 is a deficient number, since it is larger than the sum of its proper divisors (17171).

8480449 is a wasteful number, since it uses less digits than its factorization.

8480449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17170.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 8480449 is about 2912.1210483083. The cubic root of 8480449 is about 203.9261635259.

The spelling of 8480449 in words is "eight million, four hundred eighty thousand, four hundred forty-nine".

Divisors: 1 509 16661 8480449