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275031 = 3230559
BaseRepresentation
bin1000011001001010111
3111222021100
41003021113
532300111
65521143
72223561
oct1031127
9458240
10275031
111786a9
121131b3
1398253
1472331
1556756
hex43257

275031 has 6 divisors (see below), whose sum is σ = 397280. Its totient is φ = 183348.

The previous prime is 275027. The next prime is 275039. The reversal of 275031 is 130572.

It is not a de Polignac number, because 275031 - 22 = 275027 is a prime.

It is a super-2 number, since 2×2750312 = 151284101922, which contains 22 as substring.

It is a Duffinian number.

275031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 274995 and 275013.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 275031.

It is not an unprimeable number, because it can be changed into a prime (275039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15271 + ... + 15288.

2275031 is an apocalyptic number.

275031 is a deficient number, since it is larger than the sum of its proper divisors (122249).

275031 is a wasteful number, since it uses less digits than its factorization.

275031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30565 (or 30562 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 275031 is about 524.4339805924. The cubic root of 275031 is about 65.0320157862.

The spelling of 275031 in words is "two hundred seventy-five thousand, thirty-one".

Divisors: 1 3 9 30559 91677 275031