Search a number
-
+
258213 = 3176183
BaseRepresentation
bin111111000010100101
3111010012110
4333002211
531230323
65311233
72123544
oct770245
9433173
10258213
11166aaa
12105519
13906b7
146a15b
1551793
hex3f0a5

258213 has 16 divisors (see below), whose sum is σ = 374976. Its totient is φ = 157440.

The previous prime is 258211. The next prime is 258233. The reversal of 258213 is 312852.

It is not a de Polignac number, because 258213 - 21 = 258211 is a prime.

It is a plaindrome in base 11.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 258213.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258213.

It is not an unprimeable number, because it can be changed into a prime (258211) 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, 3070 + ... + 3152.

It is an arithmetic number, because the mean of its divisors is an integer number (23436).

2258213 is an apocalyptic number.

It is an amenable number.

258213 is a deficient number, since it is larger than the sum of its proper divisors (116763).

258213 is a wasteful number, since it uses less digits than its factorization.

258213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164.

The product of its digits is 480, while the sum is 21.

The square root of 258213 is about 508.1466323809. The cubic root of 258213 is about 63.6784818887.

The spelling of 258213 in words is "two hundred fifty-eight thousand, two hundred thirteen".

Divisors: 1 3 17 51 61 83 183 249 1037 1411 3111 4233 5063 15189 86071 258213