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12028349 = 192832237
BaseRepresentation
bin101101111000…
…100110111101
3211122002210102
4231320212331
511034401344
61105450445
7204145034
oct55704675
924562712
1012028349
116876093
124040a25
132651b88
14185171b
1510c8e4e
hexb789bd

12028349 has 8 divisors (see below), whose sum is σ = 12711840. Its totient is φ = 11349936.

The previous prime is 12028337. The next prime is 12028351. The reversal of 12028349 is 94382021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12028349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12028319) 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, 4259 + ... + 6495.

It is an arithmetic number, because the mean of its divisors is an integer number (1588980).

Almost surely, 212028349 is an apocalyptic number.

12028349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12028349 is a deficient number, since it is larger than the sum of its proper divisors (683491).

12028349 is a wasteful number, since it uses less digits than its factorization.

12028349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12028349 is about 3468.1910270341. The cubic root of 12028349 is about 229.1229928601.

The spelling of 12028349 in words is "twelve million, twenty-eight thousand, three hundred forty-nine".

Divisors: 1 19 283 2237 5377 42503 633071 12028349