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14491481 is a prime number
BaseRepresentation
bin110111010001…
…111101011001
31000021020120112
4313101331121
512202211411
61234334105
7234114134
oct67217531
930236515
1014491481
1181a8734
124a2a335
133005054
141cd321b
151413b8b
hexdd1f59

14491481 has 2 divisors, whose sum is σ = 14491482. Its totient is φ = 14491480.

The previous prime is 14491447. The next prime is 14491483. The reversal of 14491481 is 18419441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14478025 + 13456 = 3805^2 + 116^2 .

It is a cyclic number.

It is not a de Polignac number, because 14491481 - 210 = 14490457 is a prime.

It is a super-2 number, since 2×144914812 = 420006043146722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 14491483, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14491483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7245740 + 7245741.

It is an arithmetic number, because the mean of its divisors is an integer number (7245741).

Almost surely, 214491481 is an apocalyptic number.

It is an amenable number.

14491481 is a deficient number, since it is larger than the sum of its proper divisors (1).

14491481 is an equidigital number, since it uses as much as digits as its factorization.

14491481 is an odious number, because the sum of its binary digits is odd.

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

The square root of 14491481 is about 3806.7677890830. The cubic root of 14491481 is about 243.8021833487.

The spelling of 14491481 in words is "fourteen million, four hundred ninety-one thousand, four hundred eighty-one".