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8480001 = 32826667
BaseRepresentation
bin100000010110…
…010100000001
3120221211101010
4200112110001
54132330001
6501431133
7132036015
oct40262401
916854333
108480001
114872172
122a0b4a9
1319aba6a
1411aa545
15b278d6
hex816501

8480001 has 4 divisors (see below), whose sum is σ = 11306672. Its totient is φ = 5653332.

The previous prime is 8479981. The next prime is 8480033. The reversal of 8480001 is 1000848.

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 8480001 - 26 = 8479937 is a prime.

It is a Duffinian number.

8480001 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8480001.

It is not an unprimeable number, because it can be changed into a prime (8480051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413331 + ... + 1413336.

It is an arithmetic number, because the mean of its divisors is an integer number (2826668).

Almost surely, 28480001 is an apocalyptic number.

It is an amenable number.

8480001 is a deficient number, since it is larger than the sum of its proper divisors (2826671).

8480001 is a wasteful number, since it uses less digits than its factorization.

8480001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826670.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 8480001 is about 2912.0441274129. The cubic root of 8480001 is about 203.9225725003.

Adding to 8480001 its reverse (1000848), we get a palindrome (9480849).

The spelling of 8480001 in words is "eight million, four hundred eighty thousand, one".

Divisors: 1 3 2826667 8480001