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127427 = 791613
BaseRepresentation
bin11111000111000011
320110210112
4133013003
513034202
62421535
71040336
oct370703
9213715
10127427
1187813
12618ab
1346001
143461d
1527b52
hex1f1c3

127427 has 4 divisors (see below), whose sum is σ = 129120. Its totient is φ = 125736.

The previous prime is 127423. The next prime is 127447. The reversal of 127427 is 724721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127427 - 22 = 127423 is a prime.

It is a d-powerful number, because it can be written as 1 + 29 + 45 + 72 + 213 + 76 .

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (127423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728 + ... + 885.

It is an arithmetic number, because the mean of its divisors is an integer number (32280).

2127427 is an apocalyptic number.

127427 is a deficient number, since it is larger than the sum of its proper divisors (1693).

127427 is an equidigital number, since it uses as much as digits as its factorization.

127427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692.

The product of its digits is 784, while the sum is 23.

The square root of 127427 is about 356.9691863453. The cubic root of 127427 is about 50.3215279634.

The spelling of 127427 in words is "one hundred twenty-seven thousand, four hundred twenty-seven", and thus it is an iban number.

Divisors: 1 79 1613 127427