Search a number
-
+
258041 = 7191193
BaseRepresentation
bin111110111111111001
3111002222002
4332333321
531224131
65310345
72123210
oct767771
9432862
10258041
11166963
121053b5
13905b4
146a077
15516cb
hex3eff9

258041 has 8 divisors (see below), whose sum is σ = 297984. Its totient is φ = 218880.

The previous prime is 258031. The next prime is 258061. The reversal of 258041 is 140852.

258041 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

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 258041 - 210 = 257017 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258041.

It is not an unprimeable number, because it can be changed into a prime (258031) 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, 1241 + ... + 1433.

It is an arithmetic number, because the mean of its divisors is an integer number (37248).

2258041 is an apocalyptic number.

It is an amenable number.

258041 is a deficient number, since it is larger than the sum of its proper divisors (39943).

258041 is a wasteful number, since it uses less digits than its factorization.

258041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 258041 is about 507.9773617003. The cubic root of 258041 is about 63.6643396474.

Adding to 258041 its reverse (140852), we get a palindrome (398893).

The spelling of 258041 in words is "two hundred fifty-eight thousand, forty-one".

Divisors: 1 7 191 193 1337 1351 36863 258041