Search a number
-
+
275129 is a prime number
BaseRepresentation
bin1000011001010111001
3111222101222
41003022321
532301004
65521425
72224061
oct1031271
9458358
10275129
11178788
12113275
13982ca
14723a1
15567be
hex432b9

275129 has 2 divisors, whose sum is σ = 275130. Its totient is φ = 275128.

The previous prime is 275087. The next prime is 275131. The reversal of 275129 is 921572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273529 + 1600 = 523^2 + 40^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-275129 is a prime.

Together with 275131, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 275098 and 275107.

It is not a weakly prime, because it can be changed into another prime (275159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137564 + 137565.

It is an arithmetic number, because the mean of its divisors is an integer number (137565).

2275129 is an apocalyptic number.

It is an amenable number.

275129 is a deficient number, since it is larger than the sum of its proper divisors (1).

275129 is an equidigital number, since it uses as much as digits as its factorization.

275129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 275129 is about 524.5274063383. The cubic root of 275129 is about 65.0397390134.

It can be divided in two parts, 275 and 129, that added together give a palindrome (404).

The spelling of 275129 in words is "two hundred seventy-five thousand, one hundred twenty-nine".