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3130641 = 32347849
BaseRepresentation
bin1011111100010100010001
312220001102200
423330110101
51300140031
6151033413
735416143
oct13742421
95801380
103130641
111849108
12106b869
13857c67
145b6c93
1541c8e6
hex2fc511

3130641 has 6 divisors (see below), whose sum is σ = 4522050. Its totient is φ = 2087088.

The previous prime is 3130627. The next prime is 3130663. The reversal of 3130641 is 1460313.

3130641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3027600 + 103041 = 1740^2 + 321^2 .

It is not a de Polignac number, because 3130641 - 26 = 3130577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3130241) 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 5 ways as a sum of consecutive naturals, for example, 173916 + ... + 173933.

It is an arithmetic number, because the mean of its divisors is an integer number (753675).

Almost surely, 23130641 is an apocalyptic number.

It is an amenable number.

3130641 is a deficient number, since it is larger than the sum of its proper divisors (1391409).

3130641 is a wasteful number, since it uses less digits than its factorization.

3130641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347855 (or 347852 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3130641 is about 1769.3617493322. The cubic root of 3130641 is about 146.2888040798.

Adding to 3130641 its reverse (1460313), we get a palindrome (4590954).

The spelling of 3130641 in words is "three million, one hundred thirty thousand, six hundred forty-one".

Divisors: 1 3 9 347849 1043547 3130641