Search a number
-
+
260213385 = 3547369097
BaseRepresentation
bin11111000001010…
…00101010001001
3200010122012122210
433200220222021
51013103312020
641453135333
76306530415
oct1740505211
9603565583
10260213385
1112397a193
127318a549
1341baa423
14267b7d45
1517ca03e0
hexf828a89

260213385 has 16 divisors (see below), whose sum is σ = 425200896. Its totient is φ = 135827328.

The previous prime is 260213377. The next prime is 260213413. The reversal of 260213385 is 583312062.

It is not a de Polignac number, because 260213385 - 23 = 260213377 is a prime.

It is a super-2 number, since 2×2602133852 = 135422011466316450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183844 + ... + 185253.

It is an arithmetic number, because the mean of its divisors is an integer number (26575056).

Almost surely, 2260213385 is an apocalyptic number.

It is an amenable number.

260213385 is a deficient number, since it is larger than the sum of its proper divisors (164987511).

260213385 is a wasteful number, since it uses less digits than its factorization.

260213385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369152.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 260213385 is about 16131.1309274954. The cubic root of 260213385 is about 638.4249886380.

The spelling of 260213385 in words is "two hundred sixty million, two hundred thirteen thousand, three hundred eighty-five".

Divisors: 1 3 5 15 47 141 235 705 369097 1107291 1845485 5536455 17347559 52042677 86737795 260213385