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238648 = 23231297
BaseRepresentation
bin111010010000111000
3110010100211
4322100320
530114043
65040504
72012524
oct722070
9403324
10238648
11153333
12b6134
1384817
1462d84
154aa9d
hex3a438

238648 has 16 divisors (see below), whose sum is σ = 467280. Its totient is φ = 114048.

The previous prime is 238639. The next prime is 238649. The reversal of 238648 is 846832.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465 + ... + 832.

It is an arithmetic number, because the mean of its divisors is an integer number (29205).

238648 is a Friedman number, since it can be written as 23*(8+8*6^4), using all its digits and the basic arithmetic operations.

2238648 is an apocalyptic number.

It is an amenable number.

238648 is a deficient number, since it is larger than the sum of its proper divisors (228632).

238648 is a wasteful number, since it uses less digits than its factorization.

238648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1322 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 238648 is about 488.5161205119. The cubic root of 238648 is about 62.0277364626.

The spelling of 238648 in words is "two hundred thirty-eight thousand, six hundred forty-eight".

Divisors: 1 2 4 8 23 46 92 184 1297 2594 5188 10376 29831 59662 119324 238648