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243276 = 223111997
BaseRepresentation
bin111011011001001100
3110100201020
4323121030
530241101
65114140
72032155
oct733114
9410636
10243276
11156860
12b8950
1386967
146492c
154c136
hex3b64c

243276 has 48 divisors (see below), whose sum is σ = 658560. Its totient is φ = 69120.

The previous prime is 243263. The next prime is 243301. The reversal of 243276 is 672342.

It is a d-powerful number, because it can be written as 2 + 48 + 217 + 3 + 7 + 66 .

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 243276.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2460 + ... + 2556.

It is an arithmetic number, because the mean of its divisors is an integer number (13720).

2243276 is an apocalyptic number.

243276 is the 264-th nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329280).

243276 is an abundant number, since it is smaller than the sum of its proper divisors (415284).

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

243276 is a wasteful number, since it uses less digits than its factorization.

243276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 132 counting only the distinct ones).

The product of its digits is 2016, while the sum is 24.

The square root of 243276 is about 493.2301693936. The cubic root of 243276 is about 62.4261313959.

The spelling of 243276 in words is "two hundred forty-three thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 97 114 132 194 209 228 291 388 418 582 627 836 1067 1164 1254 1843 2134 2508 3201 3686 4268 5529 6402 7372 11058 12804 20273 22116 40546 60819 81092 121638 243276