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4481161 = 6766883
BaseRepresentation
bin10001000110000010001001
322102122222221
4101012002021
52121344121
6240014041
753042416
oct21060211
98378887
104481161
112590843
121601321
13c0b899
1484910d
155d7b41
hex446089

4481161 has 4 divisors (see below), whose sum is σ = 4548112. Its totient is φ = 4414212.

The previous prime is 4481153. The next prime is 4481171. The reversal of 4481161 is 1611844.

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 4481161 - 23 = 4481153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4481101) 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, 33375 + ... + 33508.

It is an arithmetic number, because the mean of its divisors is an integer number (1137028).

Almost surely, 24481161 is an apocalyptic number.

It is an amenable number.

4481161 is a deficient number, since it is larger than the sum of its proper divisors (66951).

4481161 is an equidigital number, since it uses as much as digits as its factorization.

4481161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66950.

The product of its digits is 768, while the sum is 25.

The square root of 4481161 is about 2116.8752915559. The cubic root of 4481161 is about 164.8656512750.

The spelling of 4481161 in words is "four million, four hundred eighty-one thousand, one hundred sixty-one".

Divisors: 1 67 66883 4481161