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14149481 is a prime number
BaseRepresentation
bin110101111110…
…011101101001
3222121212102212
4311332131221
512110240411
61223134505
7231161063
oct65763551
928555385
1014149481
117a94795
1248a4435
132c15498
141c44733
15139768b
hexd7e769

14149481 has 2 divisors, whose sum is σ = 14149482. Its totient is φ = 14149480.

The previous prime is 14149417. The next prime is 14149483. The reversal of 14149481 is 18494141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14137600 + 11881 = 3760^2 + 109^2 .

It is a cyclic number.

It is not a de Polignac number, because 14149481 - 26 = 14149417 is a prime.

It is a super-2 number, since 2×141494812 = 400415625138722, which contains 22 as substring.

Together with 14149483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14149483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7074740 + 7074741.

It is an arithmetic number, because the mean of its divisors is an integer number (7074741).

Almost surely, 214149481 is an apocalyptic number.

It is an amenable number.

14149481 is a deficient number, since it is larger than the sum of its proper divisors (1).

14149481 is an equidigital number, since it uses as much as digits as its factorization.

14149481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 32.

The square root of 14149481 is about 3761.5795884176. The cubic root of 14149481 is about 241.8689783214.

The spelling of 14149481 in words is "fourteen million, one hundred forty-nine thousand, four hundred eighty-one".