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127385 = 573349
BaseRepresentation
bin11111000110011001
320110201222
4133012121
513034020
62421425
71040246
oct370631
9213658
10127385
1187785
1261875
1345c9b
14345cd
1527b25
hex1f199

127385 has 8 divisors (see below), whose sum is σ = 155400. Its totient is φ = 100224.

The previous prime is 127373. The next prime is 127399. The reversal of 127385 is 583721.

It can be written as a sum of positive squares in 4 ways, for example, as 26896 + 100489 = 164^2 + 317^2 .

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 127385 - 26 = 127321 is a prime.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (19425).

2127385 is an apocalyptic number.

It is an amenable number.

127385 is a deficient number, since it is larger than the sum of its proper divisors (28015).

127385 is an equidigital number, since it uses as much as digits as its factorization.

127385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its digits is 1680, while the sum is 26.

The square root of 127385 is about 356.9103528899. The cubic root of 127385 is about 50.3159986894.

It can be divided in two parts, 127 and 385, that added together give a 9-th power (512 = 29).

The spelling of 127385 in words is "one hundred twenty-seven thousand, three hundred eighty-five".

Divisors: 1 5 73 349 365 1745 25477 127385