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14521669 is a prime number
BaseRepresentation
bin110111011001…
…010101000101
31000022202222121
4313121111011
512204143134
61235125541
7234301141
oct67312505
930282877
1014521669
118219388
124a438b1
133015a06
141d00221
15141cab4
hexdd9545

14521669 has 2 divisors, whose sum is σ = 14521670. Its totient is φ = 14521668.

The previous prime is 14521657. The next prime is 14521673. The reversal of 14521669 is 96612541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9060100 + 5461569 = 3010^2 + 2337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14521669 is a prime.

It is a super-2 number, since 2×145216692 = 421757741091122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14521699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7260834 + 7260835.

It is an arithmetic number, because the mean of its divisors is an integer number (7260835).

Almost surely, 214521669 is an apocalyptic number.

It is an amenable number.

14521669 is a deficient number, since it is larger than the sum of its proper divisors (1).

14521669 is an equidigital number, since it uses as much as digits as its factorization.

14521669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 14521669 is about 3810.7307698131. The cubic root of 14521669 is about 243.9713585032.

The spelling of 14521669 in words is "fourteen million, five hundred twenty-one thousand, six hundred sixty-nine".