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58158 = 234359
BaseRepresentation
bin1110001100101110
32221210000
432030232
53330113
61125130
7331362
oct161456
987700
1058158
113a771
12297a6
1320619
14172a2
1512373
hexe32e

58158 has 20 divisors (see below), whose sum is σ = 130680. Its totient is φ = 19332.

The previous prime is 58153. The next prime is 58169. The reversal of 58158 is 85185.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58151) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18 + ... + 341.

It is an arithmetic number, because the mean of its divisors is an integer number (6534).

258158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65340).

58158 is an abundant number, since it is smaller than the sum of its proper divisors (72522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

58158 is a wasteful number, since it uses less digits than its factorization.

58158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 364 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 58158 is about 241.1596981255. The cubic root of 58158 is about 38.7438838769.

Adding to 58158 its sum of digits (27), we get a palindrome (58185).

It can be divided in two parts, 58 and 158, that added together give a cube (216 = 63).

The spelling of 58158 in words is "fifty-eight thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 359 718 1077 2154 3231 6462 9693 19386 29079 58158