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12031208 = 237239341
BaseRepresentation
bin101101111001…
…010011101000
3211122020201022
4231321103220
511034444313
61105512012
7204156260
oct55712350
924566638
1012031208
116878252
124042608
132653277
1418527a0
1510c9c08
hexb794e8

12031208 has 32 divisors (see below), whose sum is σ = 26904960. Its totient is φ = 4931520.

The previous prime is 12031169. The next prime is 12031211. The reversal of 12031208 is 80213021.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3383 + ... + 5958.

It is an arithmetic number, because the mean of its divisors is an integer number (840780).

Almost surely, 212031208 is an apocalyptic number.

It is an amenable number.

12031208 is an abundant number, since it is smaller than the sum of its proper divisors (14873752).

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

12031208 is a wasteful number, since it uses less digits than its factorization.

12031208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9377 (or 9373 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12031208 is about 3468.6031770729. The cubic root of 12031208 is about 229.1411447207.

Adding to 12031208 its reverse (80213021), we get a palindrome (92244229).

The spelling of 12031208 in words is "twelve million, thirty-one thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 9341 18682 37364 65387 74728 130774 214843 261548 429686 523096 859372 1503901 1718744 3007802 6015604 12031208