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8948081 = 23389047
BaseRepresentation
bin100010001000…
…100101110001
3121211121110102
4202020211301
54242314311
6515442145
7136025462
oct42104561
917747412
108948081
11506190a
122bb6355
131b13b2c
14128cd69
15bbb43b
hex888971

8948081 has 4 divisors (see below), whose sum is σ = 9337152. Its totient is φ = 8559012.

The previous prime is 8948077. The next prime is 8948083. The reversal of 8948081 is 1808498.

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 a cyclic number.

It is not a de Polignac number, because 8948081 - 22 = 8948077 is a prime.

It is a super-2 number, since 2×89480812 = 160136307165122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8948083) 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, 194501 + ... + 194546.

It is an arithmetic number, because the mean of its divisors is an integer number (2334288).

Almost surely, 28948081 is an apocalyptic number.

It is an amenable number.

8948081 is a deficient number, since it is larger than the sum of its proper divisors (389071).

8948081 is a wasteful number, since it uses less digits than its factorization.

8948081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389070.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 8948081 is about 2991.3343176583. The cubic root of 8948081 is about 207.6076259786.

The spelling of 8948081 in words is "eight million, nine hundred forty-eight thousand, eighty-one".

Divisors: 1 23 389047 8948081