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14274487 is a prime number
BaseRepresentation
bin110110011100…
…111110110111
3222212012220201
4312130332313
512123240422
61225541331
7232221403
oct66347667
928765821
1014274487
11806a6a7
124944847
132c5a356
141c78103
1513be727
hexd9cfb7

14274487 has 2 divisors, whose sum is σ = 14274488. Its totient is φ = 14274486.

The previous prime is 14274451. The next prime is 14274497. The reversal of 14274487 is 78447241.

It is a strong prime.

It is an emirp because it is prime and its reverse (78447241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14274487 - 223 = 5885879 is a prime.

It is a super-2 number, since 2×142744872 = 407521958226338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14274497) 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, 7137243 + 7137244.

It is an arithmetic number, because the mean of its divisors is an integer number (7137244).

Almost surely, 214274487 is an apocalyptic number.

14274487 is a deficient number, since it is larger than the sum of its proper divisors (1).

14274487 is an equidigital number, since it uses as much as digits as its factorization.

14274487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50176, while the sum is 37.

The square root of 14274487 is about 3778.1592078683. The cubic root of 14274487 is about 242.5791685395.

The spelling of 14274487 in words is "fourteen million, two hundred seventy-four thousand, four hundred eighty-seven".