Search a number
-
+
275923 is a prime number
BaseRepresentation
bin1000011010111010011
3112000111101
41003113103
532312143
65525231
72226304
oct1032723
9460441
10275923
1117933a
12113817
139878b
14727ab
1556b4d
hex435d3

275923 has 2 divisors, whose sum is σ = 275924. Its totient is φ = 275922.

The previous prime is 275921. The next prime is 275929. The reversal of 275923 is 329572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275923 - 21 = 275921 is a prime.

It is a super-2 number, since 2×2759232 = 152267003858, which contains 22 as substring.

Together with 275921, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 275891 and 275900.

It is not a weakly prime, because it can be changed into another prime (275921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137961 + 137962.

It is an arithmetic number, because the mean of its divisors is an integer number (137962).

2275923 is an apocalyptic number.

275923 is a deficient number, since it is larger than the sum of its proper divisors (1).

275923 is an equidigital number, since it uses as much as digits as its factorization.

275923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 275923 is about 525.2837328530. The cubic root of 275923 is about 65.1022453947.

The spelling of 275923 in words is "two hundred seventy-five thousand, nine hundred twenty-three".