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14893421 is a prime number
BaseRepresentation
bin111000110100…
…000101101101
31001000122221012
4320310011231
512303042141
61251115005
7240410024
oct70640555
931018835
1014893421
118452714
124ba2a65
133115c9a
141d998bb
151492ceb
hexe3416d

14893421 has 2 divisors, whose sum is σ = 14893422. Its totient is φ = 14893420.

The previous prime is 14893409. The next prime is 14893447. The reversal of 14893421 is 12439841.

It is a happy number.

14893421 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 can be written as a sum of positive squares in only one way, i.e., 8185321 + 6708100 = 2861^2 + 2590^2 .

It is an emirp because it is prime and its reverse (12439841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14893421 - 26 = 14893357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14893481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7446710 + 7446711.

It is an arithmetic number, because the mean of its divisors is an integer number (7446711).

Almost surely, 214893421 is an apocalyptic number.

It is an amenable number.

14893421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14893421 is an equidigital number, since it uses as much as digits as its factorization.

14893421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 14893421 is about 3859.1995283996. The cubic root of 14893421 is about 246.0357153952.

The spelling of 14893421 in words is "fourteen million, eight hundred ninety-three thousand, four hundred twenty-one".