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14620447 is a prime number
BaseRepresentation
bin110111110001…
…011100011111
31000111210111001
4313301130133
512220323242
61241211131
7235162132
oct67613437
930453431
1014620447
118286616
124a90aa7
13304b96a
141d28219
15143beb7
hexdf171f

14620447 has 2 divisors, whose sum is σ = 14620448. Its totient is φ = 14620446.

The previous prime is 14620429. The next prime is 14620453. The reversal of 14620447 is 74402641.

It is a strong prime.

It is an emirp because it is prime and its reverse (74402641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14620447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14620427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7310223 + 7310224.

It is an arithmetic number, because the mean of its divisors is an integer number (7310224).

Almost surely, 214620447 is an apocalyptic number.

14620447 is a deficient number, since it is larger than the sum of its proper divisors (1).

14620447 is an equidigital number, since it uses as much as digits as its factorization.

14620447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 14620447 is about 3823.6693110153. The cubic root of 14620447 is about 244.5232823682.

The spelling of 14620447 in words is "fourteen million, six hundred twenty thousand, four hundred forty-seven".