Search a number
-
+
16020137 = 71727919
BaseRepresentation
bin111101000111…
…001010101001
31010010220111102
4331013022221
513100121022
61331211145
7253111640
oct75071251
933126442
1016020137
119052191
125446ab5
13341ba93
1421b0357
151616a92
hexf472a9

16020137 has 12 divisors (see below), whose sum is σ = 19451520. Its totient is φ = 12922176.

The previous prime is 16020133. The next prime is 16020157. The reversal of 16020137 is 73102061.

It is a happy number.

It is not a de Polignac number, because 16020137 - 22 = 16020133 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 (16020131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1937 + ... + 5982.

It is an arithmetic number, because the mean of its divisors is an integer number (1620960).

Almost surely, 216020137 is an apocalyptic number.

16020137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16020137 is a deficient number, since it is larger than the sum of its proper divisors (3431383).

16020137 is an equidigital number, since it uses as much as digits as its factorization.

16020137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7960 (or 7943 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 16020137 is about 4002.5163335082. The cubic root of 16020137 is about 252.0898782871.

Adding to 16020137 its reverse (73102061), we get a palindrome (89122198).

The spelling of 16020137 in words is "sixteen million, twenty thousand, one hundred thirty-seven".

Divisors: 1 7 17 119 289 2023 7919 55433 134623 942361 2288591 16020137