Search a number
-
+
16144135 = 571743631
BaseRepresentation
bin111101100101…
…011100000111
31010101012120221
4331211130013
513113103020
61334005211
7254136310
oct75453407
933335527
1016144135
119127367
1254a6807
133463357
142203607
15163d6aa
hexf65707

16144135 has 32 divisors (see below), whose sum is σ = 24026112. Its totient is φ = 10160640.

The previous prime is 16144133. The next prime is 16144159. The reversal of 16144135 is 53144161.

It is not a de Polignac number, because 16144135 - 21 = 16144133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16144133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25270 + ... + 25900.

It is an arithmetic number, because the mean of its divisors is an integer number (750816).

Almost surely, 216144135 is an apocalyptic number.

16144135 is a deficient number, since it is larger than the sum of its proper divisors (7881977).

16144135 is a wasteful number, since it uses less digits than its factorization.

16144135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703.

The product of its digits is 1440, while the sum is 25.

The square root of 16144135 is about 4017.9764807674. The cubic root of 16144135 is about 252.7386105058.

Adding to 16144135 its reverse (53144161), we get a palindrome (69288296).

The spelling of 16144135 in words is "sixteen million, one hundred forty-four thousand, one hundred thirty-five".

Divisors: 1 5 7 17 35 43 85 119 215 301 595 631 731 1505 3155 3655 4417 5117 10727 22085 25585 27133 53635 75089 135665 189931 375445 461261 949655 2306305 3228827 16144135