Search a number
-
+
30206236 = 2270910651
BaseRepresentation
bin111001100111…
…0100100011100
32002211122011111
41303032210130
530213044421
62555231404
7514514554
oct163164434
962748144
1030206236
1116061435
12a148564
136347b18
144024164
1529b9ee1
hex1cce91c

30206236 has 12 divisors (see below), whose sum is σ = 52940440. Its totient is φ = 15080400.

The previous prime is 30206233. The next prime is 30206243. The reversal of 30206236 is 63260203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30206233) 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 3 ways as a sum of consecutive naturals, for example, 2490 + ... + 8161.

Almost surely, 230206236 is an apocalyptic number.

It is an amenable number.

30206236 is a deficient number, since it is larger than the sum of its proper divisors (22734204).

30206236 is a wasteful number, since it uses less digits than its factorization.

30206236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11364 (or 11362 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 30206236 is about 5496.0200145196. The cubic root of 30206236 is about 311.4336509646.

Adding to 30206236 its reverse (63260203), we get a palindrome (93466439).

The spelling of 30206236 in words is "thirty million, two hundred six thousand, two hundred thirty-six".

Divisors: 1 2 4 709 1418 2836 10651 21302 42604 7551559 15103118 30206236