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3161144 = 237192971
BaseRepresentation
bin1100000011110000111000
312221121021102
430003300320
51302124034
6151430532
735604110
oct14036070
95847242
103161144
11186a018
121085448
13868acc
145c4040
1542697e
hex303c38

3161144 has 32 divisors (see below), whose sum is σ = 7132800. Its totient is φ = 1283040.

The previous prime is 3161131. The next prime is 3161149. The reversal of 3161144 is 4411613.

3161144 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (222900).

Almost surely, 23161144 is an apocalyptic number.

It is an amenable number.

3161144 is an abundant number, since it is smaller than the sum of its proper divisors (3971656).

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

3161144 is a wasteful number, since it uses less digits than its factorization.

3161144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 2999 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 3161144 is about 1777.9606294854. The cubic root of 3161144 is about 146.7623847179.

Adding to 3161144 its reverse (4411613), we get a palindrome (7572757).

The spelling of 3161144 in words is "three million, one hundred sixty-one thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 2971 5942 11884 20797 23768 41594 56449 83188 112898 166376 225796 395143 451592 790286 1580572 3161144