Search a number
-
+
16066072 = 2311792311
BaseRepresentation
bin111101010010…
…011000011000
31010020020111201
4331102120120
513103103242
61332203544
7253362601
oct75223030
933206451
1016066072
119083750
1254695b4
133436969
1421c2da8
1516254b7
hexf52618

16066072 has 32 divisors (see below), whose sum is σ = 33292800. Its totient is φ = 7207200.

The previous prime is 16066067. The next prime is 16066079. The reversal of 16066072 is 27066061.

It is a self number, because there is not a number n which added to its sum of digits gives 16066072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066079) 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 7 ways as a sum of consecutive naturals, for example, 5797 + ... + 8107.

It is an arithmetic number, because the mean of its divisors is an integer number (1040400).

Almost surely, 216066072 is an apocalyptic number.

16066072 is the 2143-rd centered heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16066072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16646400).

16066072 is an abundant number, since it is smaller than the sum of its proper divisors (17226728).

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

16066072 is a wasteful number, since it uses less digits than its factorization.

16066072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407 (or 2403 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 16066072 is about 4008.2504911744. The cubic root of 16066072 is about 252.3305898887.

The spelling of 16066072 in words is "sixteen million, sixty-six thousand, seventy-two".

Divisors: 1 2 4 8 11 22 44 79 88 158 316 632 869 1738 2311 3476 4622 6952 9244 18488 25421 50842 101684 182569 203368 365138 730276 1460552 2008259 4016518 8033036 16066072