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4931081 = 11714211
BaseRepresentation
bin10010110011111000001001
3100021112011122
4102303320021
52230243311
6253405025
756625221
oct22637011
910245148
104931081
112868881
121799775
1310385cc
14925081
156760db
hex4b3e09

4931081 has 4 divisors (see below), whose sum is σ = 4936464. Its totient is φ = 4925700.

The previous prime is 4931063. The next prime is 4931119. The reversal of 4931081 is 1801394.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4931081 is a prime.

It is a super-2 number, since 2×49310812 = 48631119657122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4931081.

It is not an unprimeable number, because it can be changed into a prime (4931011) 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, 935 + ... + 3276.

It is an arithmetic number, because the mean of its divisors is an integer number (1234116).

Almost surely, 24931081 is an apocalyptic number.

It is an amenable number.

4931081 is a deficient number, since it is larger than the sum of its proper divisors (5383).

4931081 is a wasteful number, since it uses less digits than its factorization.

4931081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 4931081 is about 2220.6037467320. The cubic root of 4931081 is about 170.2082914009.

The spelling of 4931081 in words is "four million, nine hundred thirty-one thousand, eighty-one".

Divisors: 1 1171 4211 4931081