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272147 = 436329
BaseRepresentation
bin1000010011100010011
3111211022112
41002130103
532202042
65455535
72212301
oct1023423
9454275
10272147
11176517
121115ab
1396b45
1471271
1555982
hex42713

272147 has 4 divisors (see below), whose sum is σ = 278520. Its totient is φ = 265776.

The previous prime is 272141. The next prime is 272171. The reversal of 272147 is 741272.

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 272147 - 24 = 272131 is a prime.

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

It is a Duffinian number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 272147.

It is not an unprimeable number, because it can be changed into a prime (272141) 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, 3122 + ... + 3207.

It is an arithmetic number, because the mean of its divisors is an integer number (69630).

2272147 is an apocalyptic number.

272147 is a deficient number, since it is larger than the sum of its proper divisors (6373).

272147 is an equidigital number, since it uses as much as digits as its factorization.

272147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372.

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

The square root of 272147 is about 521.6771031970. The cubic root of 272147 is about 64.8039060542.

The spelling of 272147 in words is "two hundred seventy-two thousand, one hundred forty-seven", and thus it is an iban number.

Divisors: 1 43 6329 272147