Search a number
-
+
16300031 = 112235857
BaseRepresentation
bin111110001011…
…011111111111
31010200010102212
4332023133333
513133100111
61341211035
7255355646
oct76133777
933603385
1016300031
119223500
125560a7b
1334b92b7
14224435d
15166e98b
hexf8b7ff

16300031 has 12 divisors (see below), whose sum is σ = 18698736. Its totient is φ = 14171520.

The previous prime is 16300027. The next prime is 16300049. The reversal of 16300031 is 13000361.

It is not a de Polignac number, because 16300031 - 22 = 16300027 is a prime.

It is a super-2 number, since 2×163000312 = 531382021201922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16299979 and 16300015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16300021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146 + ... + 5711.

It is an arithmetic number, because the mean of its divisors is an integer number (1558228).

Almost surely, 216300031 is an apocalyptic number.

16300031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16300031 is a deficient number, since it is larger than the sum of its proper divisors (2398705).

16300031 is a wasteful number, since it uses less digits than its factorization.

16300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5902 (or 5891 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 16300031 is about 4037.3296868103. The cubic root of 16300031 is about 253.5495301632.

Adding to 16300031 its reverse (13000361), we get a palindrome (29300392).

The spelling of 16300031 in words is "sixteen million, three hundred thousand, thirty-one".

Divisors: 1 11 23 121 253 2783 5857 64427 134711 708697 1481821 16300031