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12214888 = 237593697
BaseRepresentation
bin101110100110…
…001001101000
3211222120200021
4232212021220
511111334023
61113450224
7205552630
oct56461150
924876607
1012214888
116993254
124110974
1326b8a5a
14189d6c0
15111435d
hexba6268

12214888 has 32 divisors (see below), whose sum is σ = 26625600. Its totient is φ = 5144832.

The previous prime is 12214879. The next prime is 12214889. The reversal of 12214888 is 88841221.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12214889) 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, 1456 + ... + 5152.

It is an arithmetic number, because the mean of its divisors is an integer number (832050).

Almost surely, 212214888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12214888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13312800).

12214888 is an abundant number, since it is smaller than the sum of its proper divisors (14410712).

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

12214888 is a wasteful number, since it uses less digits than its factorization.

12214888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769 (or 3765 counting only the distinct ones).

The product of its digits is 8192, while the sum is 34.

The square root of 12214888 is about 3494.9804005173. The cubic root of 12214888 is about 230.3013567088.

The spelling of 12214888 in words is "twelve million, two hundred fourteen thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 59 118 236 413 472 826 1652 3304 3697 7394 14788 25879 29576 51758 103516 207032 218123 436246 872492 1526861 1744984 3053722 6107444 12214888