Base | Representation |
---|---|
bin | 11100011010101… |
… | …01110111010000 |
3 | 121121112212202102 |
4 | 32031111313100 |
5 | 442011102243 |
6 | 35353135532 |
7 | 5623116620 |
oct | 1615256720 |
9 | 547485672 |
10 | 238378448 |
11 | 112616290 |
12 | 679ba5a8 |
13 | 3a503a49 |
14 | 23932880 |
15 | 15dda9b8 |
hex | e355dd0 |
238378448 has 80 divisors (see below), whose sum is σ = 579546240. Its totient is φ = 92275200.
The previous prime is 238378447. The next prime is 238378451. The reversal of 238378448 is 844873832.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238378447) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222458 + ... + 223526.
It is an arithmetic number, because the mean of its divisors is an integer number (7244328).
Almost surely, 2238378448 is an apocalyptic number.
238378448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 238378448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289773120).
238378448 is an abundant number, since it is smaller than the sum of its proper divisors (341167792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238378448 is a wasteful number, since it uses less digits than its factorization.
238378448 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1276 (or 1270 counting only the distinct ones).
The product of its digits is 1032192, while the sum is 47.
The square root of 238378448 is about 15439.5093186280. The cubic root of 238378448 is about 620.0437430115.
It can be divided in two parts, 2383784 and 48, that added together give a palindrome (2383832).
The spelling of 238378448 in words is "two hundred thirty-eight million, three hundred seventy-eight thousand, four hundred forty-eight".
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