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11802012 = 2231757853
BaseRepresentation
bin101101000001…
…010110011100
3211012121022120
4231001112130
511010131022
61100542540
7202213125
oct55012634
924177276
1011802012
116731032
123b51a50
1325a2b51
1417d304c
151081d5c
hexb4159c

11802012 has 24 divisors (see below), whose sum is σ = 29158416. Its totient is φ = 3702528.

The previous prime is 11801989. The next prime is 11802017. The reversal of 11802012 is 21020811.

It is a junction number, because it is equal to n+sod(n) for n = 11801982 and 11802000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11802017) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28723 + ... + 29130.

It is an arithmetic number, because the mean of its divisors is an integer number (1214934).

Almost surely, 211802012 is an apocalyptic number.

11802012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11802012 is an abundant number, since it is smaller than the sum of its proper divisors (17356404).

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

11802012 is a wasteful number, since it uses less digits than its factorization.

11802012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57877 (or 57875 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 11802012 is about 3435.4056529033. The cubic root of 11802012 is about 227.6767502973.

Adding to 11802012 its reverse (21020811), we get a palindrome (32822823).

The spelling of 11802012 in words is "eleven million, eight hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 57853 115706 173559 231412 347118 694236 983501 1967002 2950503 3934004 5901006 11802012