[go: up one dir, main page]

Search a number
-
+
30311106 = 2372103099
BaseRepresentation
bin111001110100…
…0001011000010
32010000222000120
41303220023002
530224423411
63001401110
7515432400
oct163501302
963028016
1030311106
1116123201
12a199196
136383787
144050470
1529db106
hex1ce82c2

30311106 has 24 divisors (see below), whose sum is σ = 70520400. Its totient is φ = 8660232.

The previous prime is 30311093. The next prime is 30311129. The reversal of 30311106 is 60111303.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 51256 + ... + 51843.

It is an arithmetic number, because the mean of its divisors is an integer number (2938350).

Almost surely, 230311106 is an apocalyptic number.

30311106 is an abundant number, since it is smaller than the sum of its proper divisors (40209294).

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

30311106 is a wasteful number, since it uses less digits than its factorization.

30311106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103118 (or 103111 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 30311106 is about 5505.5522883722. The cubic root of 30311106 is about 311.7936464231.

Adding to 30311106 its reverse (60111303), we get a palindrome (90422409).

The spelling of 30311106 in words is "thirty million, three hundred eleven thousand, one hundred six".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 103099 206198 309297 618594 721693 1443386 2165079 4330158 5051851 10103702 15155553 30311106