Search a number
-
+
16740036 = 22321721609
BaseRepresentation
bin111111110110…
…111011000100
31011111111000100
4333312323010
513241140121
61354444100
7262200525
oct77667304
934444010
1016740036
1194a4045
125733630
133611661
14231a84c
15170a026
hexff6ec4

16740036 has 54 divisors (see below), whose sum is σ = 44978570. Its totient is φ = 5248512.

The previous prime is 16740023. The next prime is 16740041. The reversal of 16740036 is 63004761.

It can be written as a sum of positive squares in 3 ways, for example, as 11943936 + 4796100 = 3456^2 + 2190^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16739991 and 16740009.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9600 + ... + 11208.

Almost surely, 216740036 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 16740036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22489285).

16740036 is an abundant number, since it is smaller than the sum of its proper divisors (28238534).

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

16740036 is a wasteful number, since it uses less digits than its factorization.

16740036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 16740036 is about 4091.4589085068. The cubic root of 16740036 is about 255.8107528751.

Adding to 16740036 its reverse (63004761), we get a palindrome (79744797).

The spelling of 16740036 in words is "sixteen million, seven hundred forty thousand, thirty-six".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 289 306 578 612 867 1156 1609 1734 2601 3218 3468 4827 5202 6436 9654 10404 14481 19308 27353 28962 54706 57924 82059 109412 164118 246177 328236 465001 492354 930002 984708 1395003 1860004 2790006 4185009 5580012 8370018 16740036