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4881161 = 8875503
BaseRepresentation
bin10010100111101100001001
3100011222200202
4102213230021
52222144121
6252341545
756326535
oct22475411
910158622
104881161
11283431a
1217748b5
13101b97c
14910bc5
1566640b
hex4a7b09

4881161 has 4 divisors (see below), whose sum is σ = 4887552. Its totient is φ = 4874772.

The previous prime is 4881139. The next prime is 4881169. The reversal of 4881161 is 1611884.

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 4881161 - 214 = 4864777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4881169) 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, 1865 + ... + 3638.

It is an arithmetic number, because the mean of its divisors is an integer number (1221888).

Almost surely, 24881161 is an apocalyptic number.

It is an amenable number.

4881161 is a deficient number, since it is larger than the sum of its proper divisors (6391).

4881161 is an equidigital number, since it uses as much as digits as its factorization.

4881161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390.

The product of its digits is 1536, while the sum is 29.

The square root of 4881161 is about 2209.3349678127. The cubic root of 4881161 is about 169.6319720081.

The spelling of 4881161 in words is "four million, eight hundred eighty-one thousand, one hundred sixty-one".

Divisors: 1 887 5503 4881161