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9064813 = 41221093
BaseRepresentation
bin100010100101…
…000101101101
3122001112120211
4202211011231
54310033223
6522142421
7140023012
oct42450555
918045524
109064813
11513158a
123051a11
131b54cc4
1412bd709
15be0d0d
hex8a516d

9064813 has 4 divisors (see below), whose sum is σ = 9285948. Its totient is φ = 8843680.

The previous prime is 9064801. The next prime is 9064817. The reversal of 9064813 is 3184609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3184609 = 19167611.

It can be written as a sum of positive squares in 2 ways, for example, as 3948169 + 5116644 = 1987^2 + 2262^2 .

It is a cyclic number.

It is not a de Polignac number, because 9064813 - 29 = 9064301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9064817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110506 + ... + 110587.

It is an arithmetic number, because the mean of its divisors is an integer number (2321487).

Almost surely, 29064813 is an apocalyptic number.

It is an amenable number.

9064813 is a deficient number, since it is larger than the sum of its proper divisors (221135).

9064813 is a wasteful number, since it uses less digits than its factorization.

9064813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221134.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 9064813 is about 3010.7827885784. The cubic root of 9064813 is about 208.5065087383.

The spelling of 9064813 in words is "nine million, sixty-four thousand, eight hundred thirteen".

Divisors: 1 41 221093 9064813