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12028451 is a prime number
BaseRepresentation
bin101101111000…
…101000100011
3211122002221012
4231320220203
511034402301
61105451135
7204145241
oct55705043
924562835
1012028451
116876176
124040aab
132651c36
141851791
1510c8ebb
hexb78a23

12028451 has 2 divisors, whose sum is σ = 12028452. Its totient is φ = 12028450.

The previous prime is 12028447. The next prime is 12028481. The reversal of 12028451 is 15482021.

12028451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12028451 - 22 = 12028447 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12028421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6014225 + 6014226.

It is an arithmetic number, because the mean of its divisors is an integer number (6014226).

Almost surely, 212028451 is an apocalyptic number.

12028451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12028451 is an equidigital number, since it uses as much as digits as its factorization.

12028451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 12028451 is about 3468.2057320753. The cubic root of 12028451 is about 229.1236405100.

The spelling of 12028451 in words is "twelve million, twenty-eight thousand, four hundred fifty-one".