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238482 = 23213249
BaseRepresentation
bin111010001110010010
3110010010200
4322032102
530112412
65040030
72012166
oct721622
9403120
10238482
111531a2
12b6016
138471a
1462ca6
154a9dc
hex3a392

238482 has 12 divisors (see below), whose sum is σ = 516750. Its totient is φ = 79488.

The previous prime is 238481. The next prime is 238499. The reversal of 238482 is 284832.

238482 is digitally balanced in base 2, 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., 221841 + 16641 = 471^2 + 129^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6607 + ... + 6642.

2238482 is an apocalyptic number.

238482 is an abundant number, since it is smaller than the sum of its proper divisors (278268).

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

238482 is a wasteful number, since it uses less digits than its factorization.

238482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13257 (or 13254 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 238482 is about 488.3461886818. The cubic root of 238482 is about 62.0133512697.

The spelling of 238482 in words is "two hundred thirty-eight thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 13249 26498 39747 79494 119241 238482