Search a number
-
+
3161004 = 2237112311
BaseRepresentation
bin1100000011101110101100
312221121002020
430003232230
51302123004
6151430140
735603520
oct14035654
95847066
103161004
111869a00
121085350
13868a22
145c3d80
154268d9
hex303bac

3161004 has 72 divisors (see below), whose sum is σ = 9295104. Its totient is φ = 818400.

The previous prime is 3161003. The next prime is 3161009. The reversal of 3161004 is 4001613.

3161004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161003) 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 23 ways as a sum of consecutive naturals, for example, 10009 + ... + 10319.

Almost surely, 23161004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3161004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4647552).

3161004 is an abundant number, since it is smaller than the sum of its proper divisors (6134100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3161004 is a wasteful number, since it uses less digits than its factorization.

3161004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3161004 is about 1777.9212580989. The cubic root of 3161004 is about 146.7602180933.

Adding to 3161004 its reverse (4001613), we get a palindrome (7162617).

The spelling of 3161004 in words is "three million, one hundred sixty-one thousand, four".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 121 132 154 231 242 308 311 363 462 484 622 726 847 924 933 1244 1452 1694 1866 2177 2541 3388 3421 3732 4354 5082 6531 6842 8708 10164 10263 13062 13684 20526 23947 26124 37631 41052 47894 71841 75262 95788 112893 143682 150524 225786 263417 287364 451572 526834 790251 1053668 1580502 3161004