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12220302 = 236173301
BaseRepresentation
bin101110100111…
…011110001110
3211222212002210
4232213132032
511112022202
61113531250
7205604463
oct56473616
924885083
1012220302
116997326
124113b26
1326bb363
1418a166a
151115c6c
hexba778e

12220302 has 16 divisors (see below), whose sum is σ = 24487632. Its totient is φ = 4065600.

The previous prime is 12220301. The next prime is 12220333. The reversal of 12220302 is 20302221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052 + ... + 5352.

It is an arithmetic number, because the mean of its divisors is an integer number (1530477).

Almost surely, 212220302 is an apocalyptic number.

12220302 is an abundant number, since it is smaller than the sum of its proper divisors (12267330).

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

12220302 is a wasteful number, since it uses less digits than its factorization.

12220302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 12220302 is about 3495.7548541052. The cubic root of 12220302 is about 230.3353771429.

Adding to 12220302 its reverse (20302221), we get a palindrome (32522523).

The spelling of 12220302 in words is "twelve million, two hundred twenty thousand, three hundred two".

Divisors: 1 2 3 6 617 1234 1851 3301 3702 6602 9903 19806 2036717 4073434 6110151 12220302