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3109057 = 7444151
BaseRepresentation
bin1011110111000011000001
312211221211021
423313003001
51243442212
6150345441
735266210
oct13670301
95757737
103109057
111833976
12105b281
1384b1a3
145ad077
15416307
hex2f70c1

3109057 has 4 divisors (see below), whose sum is σ = 3553216. Its totient is φ = 2664900.

The previous prime is 3109031. The next prime is 3109069. The reversal of 3109057 is 7509013.

3109057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3109057 - 211 = 3107009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3109157) 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, 222069 + ... + 222082.

It is an arithmetic number, because the mean of its divisors is an integer number (888304).

Almost surely, 23109057 is an apocalyptic number.

It is an amenable number.

3109057 is a deficient number, since it is larger than the sum of its proper divisors (444159).

3109057 is an equidigital number, since it uses as much as digits as its factorization.

3109057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444158.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 3109057 is about 1763.2518254634. The cubic root of 3109057 is about 145.9518356170.

The spelling of 3109057 in words is "three million, one hundred nine thousand, fifty-seven".

Divisors: 1 7 444151 3109057