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12303222 = 2319107923
BaseRepresentation
bin101110111011…
…101101110110
3212011001211220
4232323231312
511122200342
61115411210
7206401311
oct56735566
925131756
1012303222
116a43658
124153b06
13271a019
1418c3978
1511305ec
hexbbbb76

12303222 has 16 divisors (see below), whose sum is σ = 25901760. Its totient is φ = 3885192.

The previous prime is 12303217. The next prime is 12303227. The reversal of 12303222 is 22230321.

It is an interprime number because it is at equal distance from previous prime (12303217) and next prime (12303227).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303227) by changing a digit.

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, 53848 + ... + 54075.

It is an arithmetic number, because the mean of its divisors is an integer number (1618860).

Almost surely, 212303222 is an apocalyptic number.

12303222 is an abundant number, since it is smaller than the sum of its proper divisors (13598538).

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

12303222 is a wasteful number, since it uses less digits than its factorization.

12303222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107947.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 12303222 is about 3507.5949024937. The cubic root of 12303222 is about 230.8551780543.

Adding to 12303222 its reverse (22230321), we get a palindrome (34533543).

The spelling of 12303222 in words is "twelve million, three hundred three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 107923 215846 323769 647538 2050537 4101074 6151611 12303222