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275328 = 2732239
BaseRepresentation
bin1000011001110000000
3111222200100
41003032000
532302303
65522400
72224464
oct1031600
9458610
10275328
11178949
12113400
1398421
14724a4
15568a3
hex43380

275328 has 48 divisors (see below), whose sum is σ = 795600. Its totient is φ = 91392.

The previous prime is 275323. The next prime is 275339. The reversal of 275328 is 823572.

275328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is an Ulam number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275321) 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, 1033 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (16575).

2275328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397800).

275328 is an abundant number, since it is smaller than the sum of its proper divisors (520272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275328 is a wasteful number, since it uses less digits than its factorization.

275328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 244 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 275328 is about 524.7170666178. The cubic root of 275328 is about 65.0554162519.

The spelling of 275328 in words is "two hundred seventy-five thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 239 288 384 478 576 717 956 1152 1434 1912 2151 2868 3824 4302 5736 7648 8604 11472 15296 17208 22944 30592 34416 45888 68832 91776 137664 275328