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BaseRepresentation
bin1000011001001010101
3111222021021
41003021111
532300104
65521141
72223556
oct1031125
9458237
10275029
111786a7
121131b1
1398251
147232d
1556754
hex43255

275029 has 4 divisors (see below), whose sum is σ = 276460. Its totient is φ = 273600.

The previous prime is 275027. The next prime is 275039. The reversal of 275029 is 920572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106929 + 168100 = 327^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 275029 - 21 = 275027 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 274994 and 275012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372 + ... + 829.

It is an arithmetic number, because the mean of its divisors is an integer number (69115).

2275029 is an apocalyptic number.

It is an amenable number.

275029 is a deficient number, since it is larger than the sum of its proper divisors (1431).

275029 is a wasteful number, since it uses less digits than its factorization.

275029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 275029 is about 524.4320737712. The cubic root of 275029 is about 65.0318581502.

The spelling of 275029 in words is "two hundred seventy-five thousand, twenty-nine".

Divisors: 1 229 1201 275029