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271225 = 5219571
BaseRepresentation
bin1000010001101111001
3111210001101
41002031321
532134400
65451401
72206513
oct1021571
9453041
10271225
11175859
12110b61
13965b6
1470bb3
155556a
hex42379

271225 has 12 divisors (see below), whose sum is σ = 354640. Its totient is φ = 205200.

The previous prime is 271217. The next prime is 271231. The reversal of 271225 is 522172.

It is not a de Polignac number, because 271225 - 23 = 271217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a d-powerful number, because it can be written as 28 + 7 + 213 + 1 + 218 + 54 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190 + ... + 760.

2271225 is an apocalyptic number.

271225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

271225 is a deficient number, since it is larger than the sum of its proper divisors (83415).

271225 is a wasteful number, since it uses less digits than its factorization.

271225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 595 counting only the distinct ones).

The product of its digits is 280, while the sum is 19.

The square root of 271225 is about 520.7926650789. The cubic root of 271225 is about 64.7306407443.

Adding to 271225 its reverse (522172), we get a palindrome (793397).

It can be divided in two parts, 271 and 225, that added together give a triangular number (496 = T31).

The spelling of 271225 in words is "two hundred seventy-one thousand, two hundred twenty-five".

Divisors: 1 5 19 25 95 475 571 2855 10849 14275 54245 271225