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260841 = 3712421
BaseRepresentation
bin111111101011101001
3111020210210
4333223221
531321331
65331333
72134320
oct775351
9436723
10260841
11168a79
12106b49
1391959
146b0b7
1552446
hex3fae9

260841 has 8 divisors (see below), whose sum is σ = 397504. Its totient is φ = 149040.

The previous prime is 260809. The next prime is 260849. The reversal of 260841 is 148062.

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

It is not a de Polignac number, because 260841 - 25 = 260809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 12421 = 260841 / (2 + 6 + 0 + 8 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6190 + ... + 6231.

It is an arithmetic number, because the mean of its divisors is an integer number (49688).

2260841 is an apocalyptic number.

260841 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

260841 is a deficient number, since it is larger than the sum of its proper divisors (136663).

260841 is a wasteful number, since it uses less digits than its factorization.

260841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 260841 is about 510.7259539127. The cubic root of 260841 is about 63.8937854120.

260841 divided by its sum of digits (21) gives a palindrome (12421).

The spelling of 260841 in words is "two hundred sixty thousand, eight hundred forty-one".

Divisors: 1 3 7 21 12421 37263 86947 260841