Search a number
-
+
260767061 = 2416531657
BaseRepresentation
bin11111000101011…
…11110101010101
3200011200100011022
433202233311111
51013224021221
641513050525
76314324552
oct1742576525
9604610138
10260767061
11124218175
12733b6a45
1342042449
14268bda29
1517d5e4ab
hexf8afd55

260767061 has 8 divisors (see below), whose sum is σ = 262408344. Its totient is φ = 259130880.

The previous prime is 260767037. The next prime is 260767099. The reversal of 260767061 is 160767062.

It can be written as a sum of positive squares in 4 ways, for example, as 21446161 + 239320900 = 4631^2 + 15470^2 .

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 260767061 - 26 = 260766997 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 (260767361) 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, 156545 + ... + 158201.

It is an arithmetic number, because the mean of its divisors is an integer number (32801043).

Almost surely, 2260767061 is an apocalyptic number.

It is an amenable number.

260767061 is a deficient number, since it is larger than the sum of its proper divisors (1641283).

260767061 is a wasteful number, since it uses less digits than its factorization.

260767061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 260767061 is about 16148.2835310754. The cubic root of 260767061 is about 638.8774764820.

Subtracting from 260767061 its reverse (160767062), we obtain a palindrome (99999999).

The spelling of 260767061 in words is "two hundred sixty million, seven hundred sixty-seven thousand, sixty-one".

Divisors: 1 241 653 1657 157373 399337 1082021 260767061