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238230 = 23252647
BaseRepresentation
bin111010001010010110
3110002210100
4322022112
530110410
65034530
72011356
oct721226
9402710
10238230
11152a93
12b5a46
1384585
1462b66
154a8c0
hex3a296

238230 has 24 divisors (see below), whose sum is σ = 619632. Its totient is φ = 63504.

The previous prime is 238229. The next prime is 238237. The reversal of 238230 is 32832.

238230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1234 + ... + 1413.

It is an arithmetic number, because the mean of its divisors is an integer number (25818).

2238230 is an apocalyptic number.

238230 is an abundant number, since it is smaller than the sum of its proper divisors (381402).

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

238230 is a wasteful number, since it uses less digits than its factorization.

238230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660 (or 2657 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 238230 is about 488.0881068004. The cubic root of 238230 is about 61.9915007427.

The spelling of 238230 in words is "two hundred thirty-eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2647 5294 7941 13235 15882 23823 26470 39705 47646 79410 119115 238230