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14538389 is a prime number
BaseRepresentation
bin110111011101…
…011010010101
31000100121220212
4313131122111
512210212024
61235335205
7234400655
oct67353225
930317825
1014538389
11822a9a8
124a51505
1330204c8
141d06365
151422a0e
hexddd695

14538389 has 2 divisors, whose sum is σ = 14538390. Its totient is φ = 14538388.

The previous prime is 14538379. The next prime is 14538413. The reversal of 14538389 is 98383541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14190289 + 348100 = 3767^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 14538389 - 212 = 14534293 is a prime.

It is a super-2 number, since 2×145383892 = 422729509430642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14538379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7269194 + 7269195.

It is an arithmetic number, because the mean of its divisors is an integer number (7269195).

Almost surely, 214538389 is an apocalyptic number.

It is an amenable number.

14538389 is a deficient number, since it is larger than the sum of its proper divisors (1).

14538389 is an equidigital number, since it uses as much as digits as its factorization.

14538389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 14538389 is about 3812.9239436422. The cubic root of 14538389 is about 244.0649573988.

The spelling of 14538389 in words is "fourteen million, five hundred thirty-eight thousand, three hundred eighty-nine".