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427275 = 3452211
BaseRepresentation
bin1101000010100001011
3210201010000
41220110023
5102133100
613054043
73426462
oct1502413
9721100
10427275
11272022
12187323
1311c634
14b19d9
1586900
hex6850b

427275 has 30 divisors (see below), whose sum is σ = 795212. Its totient is φ = 226800.

The previous prime is 427249. The next prime is 427279. The reversal of 427275 is 572724.

427275 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 427275 - 25 = 427243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (427279) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1920 + ... + 2130.

2427275 is an apocalyptic number.

427275 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

427275 is a deficient number, since it is larger than the sum of its proper divisors (367937).

427275 is a wasteful number, since it uses less digits than its factorization.

427275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 219 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 427275 is about 653.6627570850. The cubic root of 427275 is about 75.3186442936.

Adding to 427275 its reverse (572724), we get a palindrome (999999).

It can be divided in two parts, 4272 and 75, that multiplied together give a triangular number (320400 = T800).

The spelling of 427275 in words is "four hundred twenty-seven thousand, two hundred seventy-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 211 225 405 633 675 1055 1899 2025 3165 5275 5697 9495 15825 17091 28485 47475 85455 142425 427275