Search a number
-
+
275957 = 1125087
BaseRepresentation
bin1000011010111110101
3112000112122
41003113311
532312312
65525325
72226353
oct1032765
9460478
10275957
11179370
12113845
13987b6
14727d3
1556b72
hex435f5

275957 has 4 divisors (see below), whose sum is σ = 301056. Its totient is φ = 250860.

The previous prime is 275941. The next prime is 275963. The reversal of 275957 is 759572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 275957 - 24 = 275941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12533 + ... + 12554.

It is an arithmetic number, because the mean of its divisors is an integer number (75264).

2275957 is an apocalyptic number.

It is an amenable number.

275957 is a deficient number, since it is larger than the sum of its proper divisors (25099).

275957 is a wasteful number, since it uses less digits than its factorization.

275957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25098.

The product of its digits is 22050, while the sum is 35.

The square root of 275957 is about 525.3160953179. The cubic root of 275957 is about 65.1049193115.

It can be divided in two parts, 275 and 957, that multiplied together give a triangular number (263175 = T725).

The spelling of 275957 in words is "two hundred seventy-five thousand, nine hundred fifty-seven".

Divisors: 1 11 25087 275957