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14152181 is a prime number
BaseRepresentation
bin110101111111…
…000111110101
3222122000010212
4311333013311
512110332211
61223155205
7231202001
oct65770765
928560125
1014152181
117a9681a
1248a5b05
132c16794
141c45701
15139838b
hexd7f1f5

14152181 has 2 divisors, whose sum is σ = 14152182. Its totient is φ = 14152180.

The previous prime is 14152163. The next prime is 14152189. The reversal of 14152181 is 18125141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10504081 + 3648100 = 3241^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 14152181 - 222 = 9957877 is a prime.

It is a super-2 number, since 2×141521812 = 400568454113522, 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 (14152189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7076090 + 7076091.

It is an arithmetic number, because the mean of its divisors is an integer number (7076091).

Almost surely, 214152181 is an apocalyptic number.

It is an amenable number.

14152181 is a deficient number, since it is larger than the sum of its proper divisors (1).

14152181 is an equidigital number, since it uses as much as digits as its factorization.

14152181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320, while the sum is 23.

The square root of 14152181 is about 3761.9384630799. The cubic root of 14152181 is about 241.8843617998.

The spelling of 14152181 in words is "fourteen million, one hundred fifty-two thousand, one hundred eighty-one".