Search a number
-
+
260088069 = 3230937547
BaseRepresentation
bin11111000000010…
…10000100000101
3200010101211202110
433200022010011
51013040304234
641450331233
76305466153
oct1740120405
9603354673
10260088069
111238a401a
1273129b19
1341b65387
14267843d3
1517c781e9
hexf80a105

260088069 has 8 divisors (see below), whose sum is σ = 346943520. Its totient is φ = 173312336.

The previous prime is 260088007. The next prime is 260088089. The reversal of 260088069 is 960880062.

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 260088069 - 212 = 260083973 is a prime.

It is a super-2 number, since 2×2600880692 = 135291607272297522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260088089) 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, 11847 + ... + 25700.

It is an arithmetic number, because the mean of its divisors is an integer number (43367940).

Almost surely, 2260088069 is an apocalyptic number.

It is an amenable number.

260088069 is a deficient number, since it is larger than the sum of its proper divisors (86855451).

260088069 is a wasteful number, since it uses less digits than its factorization.

260088069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39859.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 260088069 is about 16127.2461691387. The cubic root of 260088069 is about 638.3224859522.

The spelling of 260088069 in words is "two hundred sixty million, eighty-eight thousand, sixty-nine".

Divisors: 1 3 2309 6927 37547 112641 86696023 260088069