Search a number
-
+
158250 = 2353211
BaseRepresentation
bin100110101000101010
322001002010
4212220222
520031000
63220350
71226241
oct465052
9261063
10158250
11a8994
12776b6
1357051
1441958
1531d50
hex26a2a

158250 has 32 divisors (see below), whose sum is σ = 396864. Its totient is φ = 42000.

The previous prime is 158243. The next prime is 158261. The reversal of 158250 is 52851.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645 + ... + 855.

It is an arithmetic number, because the mean of its divisors is an integer number (12402).

2158250 is an apocalyptic number.

158250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 158250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198432).

158250 is an abundant number, since it is smaller than the sum of its proper divisors (238614).

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

158250 is a wasteful number, since it uses less digits than its factorization.

158250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 158250 is about 397.8064856183. The cubic root of 158250 is about 54.0897000241.

The spelling of 158250 in words is "one hundred fifty-eight thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 211 250 375 422 633 750 1055 1266 2110 3165 5275 6330 10550 15825 26375 31650 52750 79125 158250