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8364481 = 67131953
BaseRepresentation
bin11111111010000111000001
3120201221220121
4133322013001
54120130411
6455140241
7131045146
oct37720701
916657817
108364481
1147a33a4
122974681
13196b2c8
14117a3cd
15b03571
hex7fa1c1

8364481 has 8 divisors (see below), whose sum is σ = 8563104. Its totient is φ = 8168160.

The previous prime is 8364457. The next prime is 8364509. The reversal of 8364481 is 1844638.

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

It is a cyclic number.

It is not a de Polignac number, because 8364481 - 29 = 8363969 is a prime.

It is a super-2 number, since 2×83644812 = 139929084798722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8364431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8301 + ... + 9253.

It is an arithmetic number, because the mean of its divisors is an integer number (1070388).

Almost surely, 28364481 is an apocalyptic number.

It is an amenable number.

8364481 is a deficient number, since it is larger than the sum of its proper divisors (198623).

8364481 is a wasteful number, since it uses less digits than its factorization.

8364481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

The product of its digits is 18432, while the sum is 34.

The square root of 8364481 is about 2892.1412482796. The cubic root of 8364481 is about 202.9923476614.

The spelling of 8364481 in words is "eight million, three hundred sixty-four thousand, four hundred eighty-one".

Divisors: 1 67 131 953 8777 63851 124843 8364481