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14131487 is a prime number
BaseRepresentation
bin110101111010…
…000100011111
3222120221202102
4311322010133
512104201422
61222515315
7231054446
oct65720437
928527672
1014131487
117a82217
124895b3b
132c0a236
141c3bd5d
151392192
hexd7a11f

14131487 has 2 divisors, whose sum is σ = 14131488. Its totient is φ = 14131486.

The previous prime is 14131457. The next prime is 14131501. The reversal of 14131487 is 78413141.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14131487 - 210 = 14130463 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14131427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7065743 + 7065744.

It is an arithmetic number, because the mean of its divisors is an integer number (7065744).

Almost surely, 214131487 is an apocalyptic number.

14131487 is a deficient number, since it is larger than the sum of its proper divisors (1).

14131487 is an equidigital number, since it uses as much as digits as its factorization.

14131487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 14131487 is about 3759.1870131719. The cubic root of 14131487 is about 241.7664059701.

The spelling of 14131487 in words is "fourteen million, one hundred thirty-one thousand, four hundred eighty-seven".