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12224296 = 2371911489
BaseRepresentation
bin101110101000…
…011100101000
3212000001120201
4232220130220
511112134141
61114001544
7205622230
oct56503450
925001521
1012224296
11699a327
1241162b4
1326c0116
1418a2cc0
151117031
hexba8728

12224296 has 32 divisors (see below), whose sum is σ = 27576000. Its totient is φ = 4962816.

The previous prime is 12224281. The next prime is 12224297. The reversal of 12224296 is 69242221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (12224297) 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, 4681 + ... + 6808.

It is an arithmetic number, because the mean of its divisors is an integer number (861750).

Almost surely, 212224296 is an apocalyptic number.

It is an amenable number.

12224296 is an abundant number, since it is smaller than the sum of its proper divisors (15351704).

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

12224296 is a wasteful number, since it uses less digits than its factorization.

12224296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11521 (or 11517 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 12224296 is about 3496.3260717502. The cubic root of 12224296 is about 230.3604681565.

The spelling of 12224296 in words is "twelve million, two hundred twenty-four thousand, two hundred ninety-six".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 11489 22978 45956 80423 91912 160846 218291 321692 436582 643384 873164 1528037 1746328 3056074 6112148 12224296