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238208 = 271861
BaseRepresentation
bin111010001010000000
3110002202112
4322022000
530110313
65034452
72011325
oct721200
9402675
10238208
11152a73
12b5a28
1384569
1462b4c
154a8a8
hex3a280

238208 has 16 divisors (see below), whose sum is σ = 474810. Its totient is φ = 119040.

The previous prime is 238207. The next prime is 238213. The reversal of 238208 is 802832.

238208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 238144 + 64 = 488^2 + 8^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (238201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803 + ... + 1058.

2238208 is an apocalyptic number.

It is an amenable number.

238208 is a deficient number, since it is larger than the sum of its proper divisors (236602).

238208 is an equidigital number, since it uses as much as digits as its factorization.

238208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 238208 is about 488.0655693654. The cubic root of 238208 is about 61.9895924258.

The spelling of 238208 in words is "two hundred thirty-eight thousand, two hundred eight".

Divisors: 1 2 4 8 16 32 64 128 1861 3722 7444 14888 29776 59552 119104 238208