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30636012 = 22311232091
BaseRepresentation
bin111010011011…
…1011111101100
32010122110201010
41310313133230
530320323022
63012345220
7521254551
oct164673754
963573633
1030636012
1116325320
12a315210
136468624
1440d6a28
152a5250c
hex1d377ec

30636012 has 24 divisors (see below), whose sum is σ = 77982912. Its totient is φ = 9283600.

The previous prime is 30635993. The next prime is 30636041. The reversal of 30636012 is 21063603.

It is a self number, because there is not a number n which added to its sum of digits gives 30636012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115914 + ... + 116177.

It is an arithmetic number, because the mean of its divisors is an integer number (3249288).

Almost surely, 230636012 is an apocalyptic number.

It is an amenable number.

30636012 is an abundant number, since it is smaller than the sum of its proper divisors (47346900).

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

30636012 is a wasteful number, since it uses less digits than its factorization.

30636012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232109 (or 232107 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30636012 is about 5534.9807587741. The cubic root of 30636012 is about 312.9037324690.

Adding to 30636012 its reverse (21063603), we get a palindrome (51699615).

It can be divided in two parts, 3063601 and 2, that added together give a palindrome (3063603).

The spelling of 30636012 in words is "thirty million, six hundred thirty-six thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 232091 464182 696273 928364 1392546 2553001 2785092 5106002 7659003 10212004 15318006 30636012