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238136 = 23172103
BaseRepresentation
bin111010001000111000
3110002122212
4322020320
530110021
65034252
72011163
oct721070
9402585
10238136
11152a08
12b5988
1384512
1462ada
154a85b
hex3a238

238136 has 24 divisors (see below), whose sum is σ = 478920. Its totient is φ = 110976.

The previous prime is 238109. The next prime is 238141. The reversal of 238136 is 631832.

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 238136.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2261 + ... + 2363.

It is an arithmetic number, because the mean of its divisors is an integer number (19955).

2238136 is an apocalyptic number.

It is an amenable number.

238136 is an abundant number, since it is smaller than the sum of its proper divisors (240784).

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

238136 is a wasteful number, since it uses less digits than its factorization.

238136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 122 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 238136 is about 487.9918032098. The cubic root of 238136 is about 61.9833462034.

Adding to 238136 its reverse (631832), we get a palindrome (869968).

The spelling of 238136 in words is "two hundred thirty-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 8 17 34 68 103 136 206 289 412 578 824 1156 1751 2312 3502 7004 14008 29767 59534 119068 238136