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3111057 = 32345673
BaseRepresentation
bin1011110111100010010001
312212001120100
423313202101
51244023212
6150403013
735305065
oct13674221
95761510
103111057
111835424
121060469
1384c081
145adaa5
15416bdc
hex2f7891

3111057 has 6 divisors (see below), whose sum is σ = 4493762. Its totient is φ = 2074032.

The previous prime is 3111037. The next prime is 3111077. The reversal of 3111057 is 7501113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3111037) and next prime (3111077).

It can be written as a sum of positive squares in only one way, i.e., 2702736 + 408321 = 1644^2 + 639^2 .

It is not a de Polignac number, because 3111057 - 26 = 3110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172828 + ... + 172845.

Almost surely, 23111057 is an apocalyptic number.

It is an amenable number.

3111057 is a deficient number, since it is larger than the sum of its proper divisors (1382705).

3111057 is a wasteful number, since it uses less digits than its factorization.

3111057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345679 (or 345676 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 3111057 is about 1763.8188682515. The cubic root of 3111057 is about 145.9831249652.

The spelling of 3111057 in words is "three million, one hundred eleven thousand, fifty-seven".

Divisors: 1 3 9 345673 1037019 3111057