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14220361 is a prime number
BaseRepresentation
bin110110001111…
…110001001001
3222202110200001
4312033301021
512120022421
61224443001
7231604531
oct66176111
928673601
1014220361
118032a71
124919461
132c3b81c
141c624c1
1513ad691
hexd8fc49

14220361 has 2 divisors, whose sum is σ = 14220362. Its totient is φ = 14220360.

The previous prime is 14220337. The next prime is 14220373. The reversal of 14220361 is 16302241.

It is the 1540-th star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11799225 + 2421136 = 3435^2 + 1556^2 .

It is a cyclic number.

It is not a de Polignac number, because 14220361 - 25 = 14220329 is a prime.

It is not a weakly prime, because it can be changed into another prime (14220301) 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, 7110180 + 7110181.

It is an arithmetic number, because the mean of its divisors is an integer number (7110181).

Almost surely, 214220361 is an apocalyptic number.

It is an amenable number.

14220361 is a deficient number, since it is larger than the sum of its proper divisors (1).

14220361 is an equidigital number, since it uses as much as digits as its factorization.

14220361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 14220361 is about 3770.9893927191. The cubic root of 14220361 is about 242.2721762960.

It can be divided in two parts, 142 and 20361, that added together give a triangular number (20503 = T202).

The spelling of 14220361 in words is "fourteen million, two hundred twenty thousand, three hundred sixty-one".