Search a number
-
+
238228548 = 223175919793
BaseRepresentation
bin11100011001100…
…01010001000100
3121121021021010120
432030301101010
5441441303143
635350021540
75621623605
oct1614612104
9547237116
10238228548
111125236a8
12679478b0
133a48074c
14238d3dac
1515dab383
hexe331444

238228548 has 48 divisors (see below), whose sum is σ = 598570560. Its totient is φ = 73467904.

The previous prime is 238228537. The next prime is 238228553. The reversal of 238228548 is 845822832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2140 + ... + 21932.

It is an arithmetic number, because the mean of its divisors is an integer number (12470220).

Almost surely, 2238228548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238228548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299285280).

238228548 is an abundant number, since it is smaller than the sum of its proper divisors (360342012).

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

238228548 is a wasteful number, since it uses less digits than its factorization.

238228548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19876 (or 19874 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 238228548 is about 15434.6541263483. The cubic root of 238228548 is about 619.9137479738.

The spelling of 238228548 in words is "two hundred thirty-eight million, two hundred twenty-eight thousand, five hundred forty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 59 68 102 118 177 204 236 354 708 1003 2006 3009 4012 6018 12036 19793 39586 59379 79172 118758 237516 336481 672962 1009443 1167787 1345924 2018886 2335574 3503361 4037772 4671148 7006722 14013444 19852379 39704758 59557137 79409516 119114274 238228548