Search a number
-
+
276239113 = 1977331913
BaseRepresentation
bin10000011101110…
…001001100001001
3201020210101211021
4100131301030021
51031204122423
643224432441
76562664563
oct2035611411
9636711737
10276239113
11131a25597
1278618721
13452cb8c7
142898a333
15193b895d
hex10771309

276239113 has 8 divisors (see below), whose sum is σ = 278165448. Its totient is φ = 274318464.

The previous prime is 276239111. The next prime is 276239149. The reversal of 276239113 is 311932672.

It can be written as a sum of positive squares in 4 ways, for example, as 247369984 + 28869129 = 15728^2 + 5373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 276239113 - 21 = 276239111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276239111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143445 + ... + 145357.

It is an arithmetic number, because the mean of its divisors is an integer number (34770681).

Almost surely, 2276239113 is an apocalyptic number.

It is an amenable number.

276239113 is a deficient number, since it is larger than the sum of its proper divisors (1926335).

276239113 is a wasteful number, since it uses less digits than its factorization.

276239113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843.

The product of its digits is 13608, while the sum is 34.

The square root of 276239113 is about 16620.4426234682. The cubic root of 276239113 is about 651.2709751166.

The spelling of 276239113 in words is "two hundred seventy-six million, two hundred thirty-nine thousand, one hundred thirteen".

Divisors: 1 197 733 1913 144401 376861 1402229 276239113