Search a number
-
+
276911232 = 27313217251
BaseRepresentation
bin10000100000010…
…101010010000000
3201022001112210120
4100200111102000
51031342124412
643251100240
76601464243
oct2040252200
9638045716
10276911232
11132344564
12788a1680
13454a5800
1428ac325a
151949cb8c
hex10815480

276911232 has 192 divisors, whose sum is σ = 846689760. Its totient is φ = 79872000.

The previous prime is 276911221. The next prime is 276911233. The reversal of 276911232 is 232119672.

276911232 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 (192).

It is a junction number, because it is equal to n+sod(n) for n = 276911193 and 276911202.

It is not an unprimeable number, because it can be changed into a prime (276911233) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1103107 + ... + 1103357.

Almost surely, 2276911232 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 276911232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423344880).

276911232 is an abundant number, since it is smaller than the sum of its proper divisors (569778528).

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

276911232 is a wasteful number, since it uses less digits than its factorization.

276911232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 286 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 276911232 is about 16640.6499873052. The cubic root of 276911232 is about 651.7987510412.

The spelling of 276911232 in words is "two hundred seventy-six million, nine hundred eleven thousand, two hundred thirty-two".