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260161 = 1167353
BaseRepresentation
bin111111100001000001
3111012212121
4333201001
531311121
65324241
72132326
oct774101
9435777
10260161
11168510
12106681
1391555
146ab4d
1552141
hex3f841

260161 has 8 divisors (see below), whose sum is σ = 288864. Its totient is φ = 232320.

The previous prime is 260137. The next prime is 260171. The reversal of 260161 is 161062.

260161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260161 - 211 = 258113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260111) 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, 561 + ... + 913.

It is an arithmetic number, because the mean of its divisors is an integer number (36108).

2260161 is an apocalyptic number.

It is an amenable number.

260161 is a deficient number, since it is larger than the sum of its proper divisors (28703).

260161 is a wasteful number, since it uses less digits than its factorization.

260161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 260161 is about 510.0598004156. The cubic root of 260161 is about 63.8382144137.

Subtracting from 260161 its reverse (161062), we obtain a palindrome (99099).

It can be divided in two parts, 2601 and 61, that added together give a palindrome (2662).

The spelling of 260161 in words is "two hundred sixty thousand, one hundred sixty-one".

Divisors: 1 11 67 353 737 3883 23651 260161