Search a number
-
+
30140116 = 2217443237
BaseRepresentation
bin111001011111…
…0011011010100
32002201021110121
41302332123110
530203440431
62554001324
7514121026
oct162763324
962637417
1030140116
1116016796
12a116244
1363239b6
144008016
1529a5611
hex1cbe6d4

30140116 has 12 divisors (see below), whose sum is σ = 55847988. Its totient is φ = 14183552.

The previous prime is 30140101. The next prime is 30140129. The reversal of 30140116 is 61104103.

It can be written as a sum of positive squares in 2 ways, for example, as 23483716 + 6656400 = 4846^2 + 2580^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30140116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221551 + ... + 221686.

It is an arithmetic number, because the mean of its divisors is an integer number (4653999).

Almost surely, 230140116 is an apocalyptic number.

It is an amenable number.

30140116 is a deficient number, since it is larger than the sum of its proper divisors (25707872).

30140116 is a wasteful number, since it uses less digits than its factorization.

30140116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443258 (or 443256 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 30140116 is about 5490.0014571947. The cubic root of 30140116 is about 311.2062471899.

Subtracting from 30140116 its sum of digits (16), we obtain a square (30140100 = 54902).

Adding to 30140116 its reverse (61104103), we get a palindrome (91244219).

It can be divided in two parts, 301401 and 16, that multiplied together give a square (4822416 = 21962).

The spelling of 30140116 in words is "thirty million, one hundred forty thousand, one hundred sixteen".

Divisors: 1 2 4 17 34 68 443237 886474 1772948 7535029 15070058 30140116