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387127 = 1397307
BaseRepresentation
bin1011110100000110111
3201200001001
41132200313
544342002
612144131
73201436
oct1364067
9650031
10387127
11244944
12168047
13107290
14a111d
1579a87
hex5e837

387127 has 8 divisors (see below), whose sum is σ = 422576. Its totient is φ = 352512.

The previous prime is 387109. The next prime is 387137. The reversal of 387127 is 721783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 387127 - 211 = 385079 is a prime.

It is a Duffinian number.

387127 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 387095 and 387104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108 + ... + 1414.

It is an arithmetic number, because the mean of its divisors is an integer number (52822).

2387127 is an apocalyptic number.

387127 is a deficient number, since it is larger than the sum of its proper divisors (35449).

387127 is a wasteful number, since it uses less digits than its factorization.

387127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its digits is 2352, while the sum is 28.

The square root of 387127 is about 622.1953069576. The cubic root of 387127 is about 72.8815869719.

The spelling of 387127 in words is "three hundred eighty-seven thousand, one hundred twenty-seven".

Divisors: 1 13 97 307 1261 3991 29779 387127