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275232 = 2534761
BaseRepresentation
bin1000011001100100000
3111222112210
41003030200
532301412
65522120
72224266
oct1031440
9458483
10275232
11178871
12113340
1398379
1472436
155683c
hex43320

275232 has 48 divisors (see below), whose sum is σ = 749952. Its totient is φ = 88320.

The previous prime is 275227. The next prime is 275251. The reversal of 275232 is 232572.

275232 is nontrivially palindromic in base 11.

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

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 275199 and 275208.

It is a congruent number.

It is an unprimeable number.

275232 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4482 + ... + 4542.

It is an arithmetic number, because the mean of its divisors is an integer number (15624).

2275232 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 275232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374976).

275232 is an abundant number, since it is smaller than the sum of its proper divisors (474720).

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

275232 is a wasteful number, since it uses less digits than its factorization.

275232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 113 counting only the distinct ones).

The product of its digits is 840, while the sum is 21.

The square root of 275232 is about 524.6255807717. The cubic root of 275232 is about 65.0478543064.

The spelling of 275232 in words is "two hundred seventy-five thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 47 48 61 94 96 122 141 183 188 244 282 366 376 488 564 732 752 976 1128 1464 1504 1952 2256 2867 2928 4512 5734 5856 8601 11468 17202 22936 34404 45872 68808 91744 137616 275232