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272127 = 390709
BaseRepresentation
bin1000010011011111111
3111211021210
41002123333
532202002
65455503
72212242
oct1023377
9454253
10272127
111764a9
12111593
1396b2b
1471259
155596c
hex426ff

272127 has 4 divisors (see below), whose sum is σ = 362840. Its totient is φ = 181416.

The previous prime is 272093. The next prime is 272131. The reversal of 272127 is 721272.

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

It is not a de Polignac number, because 272127 - 214 = 255743 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

272127 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 272127.

It is not an unprimeable number, because it can be changed into a prime (272227) 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, 45352 + ... + 45357.

It is an arithmetic number, because the mean of its divisors is an integer number (90710).

2272127 is an apocalyptic number.

272127 is a deficient number, since it is larger than the sum of its proper divisors (90713).

272127 is an equidigital number, since it uses as much as digits as its factorization.

272127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90712.

The product of its digits is 392, while the sum is 21.

The square root of 272127 is about 521.6579338992. The cubic root of 272127 is about 64.8023185423.

Adding to 272127 its reverse (721272), we get a palindrome (993399).

The spelling of 272127 in words is "two hundred seventy-two thousand, one hundred twenty-seven", and thus it is an iban number.

Divisors: 1 3 90709 272127