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1238848 = 26131489
BaseRepresentation
bin100101110011101000000
32022221101021
410232131000
5304120343
642315224
713346542
oct4563500
92287337
101238848
11776846
124b8b14
13344b60
14243692
151970ed
hex12e740

1238848 has 28 divisors (see below), whose sum is σ = 2649220. Its totient is φ = 571392.

The previous prime is 1238843. The next prime is 1238863. The reversal of 1238848 is 8488321.

It can be written as a sum of positive squares in 2 ways, for example, as 222784 + 1016064 = 472^2 + 1008^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238843) 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, 88 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (94615).

21238848 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 1238848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324610).

1238848 is an abundant number, since it is smaller than the sum of its proper divisors (1410372).

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

1238848 is a wasteful number, since it uses less digits than its factorization.

1238848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1504 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 1238848 is about 1113.0354891018. The cubic root of 1238848 is about 107.4004269975.

The spelling of 1238848 in words is "one million, two hundred thirty-eight thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 1489 2978 5956 11912 19357 23824 38714 47648 77428 95296 154856 309712 619424 1238848