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260013 = 31359113
BaseRepresentation
bin111111011110101101
3111012200010
4333132231
531310023
65323433
72132025
oct773655
9435603
10260013
11168396
12106579
1391470
146aa85
1552093
hex3f7ad

260013 has 16 divisors (see below), whose sum is σ = 383040. Its totient is φ = 155904.

The previous prime is 260011. The next prime is 260017. The reversal of 260013 is 310062.

It is not a de Polignac number, because 260013 - 21 = 260011 is a prime.

260013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2245 + ... + 2357.

It is an arithmetic number, because the mean of its divisors is an integer number (23940).

2260013 is an apocalyptic number.

It is an amenable number.

260013 is a deficient number, since it is larger than the sum of its proper divisors (123027).

260013 is a wasteful number, since it uses less digits than its factorization.

260013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 260013 is about 509.9146987487. The cubic root of 260013 is about 63.8261067216.

Adding to 260013 its reverse (310062), we get a palindrome (570075).

The spelling of 260013 in words is "two hundred sixty thousand, thirteen".

Divisors: 1 3 13 39 59 113 177 339 767 1469 2301 4407 6667 20001 86671 260013