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275470 = 25132163
BaseRepresentation
bin1000011010000001110
3111222212121
41003100032
532303340
65523154
72225056
oct1032016
9458777
10275470
11178a68
121134ba
1398500
1472566
155694a
hex4340e

275470 has 24 divisors (see below), whose sum is σ = 540216. Its totient is φ = 101088.

The previous prime is 275461. The next prime is 275489. The reversal of 275470 is 74572.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

275470 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1609 + ... + 1771.

It is an arithmetic number, because the mean of its divisors is an integer number (22509).

2275470 is an apocalyptic number.

275470 is a deficient number, since it is larger than the sum of its proper divisors (264746).

275470 is a wasteful number, since it uses less digits than its factorization.

275470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 275470 is about 524.8523601928. The cubic root of 275470 is about 65.0665984072.

The spelling of 275470 in words is "two hundred seventy-five thousand, four hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 163 169 326 338 815 845 1630 1690 2119 4238 10595 21190 27547 55094 137735 275470