Search a number
-
+
260081117 = 277938921
BaseRepresentation
bin11111000000010…
…00010111011101
3200010101111012222
433200020113131
51013040043432
641450235125
76305436662
oct1740102735
9603344188
10260081117
1112389987a
1273125aa5
1341b6216a
1426781a69
1517c76112
hexf8085dd

260081117 has 4 divisors (see below), whose sum is σ = 261020316. Its totient is φ = 259141920.

The previous prime is 260081099. The next prime is 260081167. The reversal of 260081117 is 711180062.

260081117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141467236 + 118613881 = 11894^2 + 10891^2 .

It is a cyclic number.

It is not a de Polignac number, because 260081117 - 220 = 259032541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260081167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469184 + ... + 469737.

It is an arithmetic number, because the mean of its divisors is an integer number (65255079).

Almost surely, 2260081117 is an apocalyptic number.

It is an amenable number.

260081117 is a deficient number, since it is larger than the sum of its proper divisors (939199).

260081117 is an equidigital number, since it uses as much as digits as its factorization.

260081117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939198.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 260081117 is about 16127.0306318305. The cubic root of 260081117 is about 638.3167985743.

The spelling of 260081117 in words is "two hundred sixty million, eighty-one thousand, one hundred seventeen".

Divisors: 1 277 938921 260081117