Base | Representation |
---|---|
bin | 11101100111001… |
… | …11110100000000 |
3 | 122022102201011210 |
4 | 32303213310000 |
5 | 1002043212230 |
6 | 40352210120 |
7 | 6104323302 |
oct | 1663476400 |
9 | 568381153 |
10 | 248413440 |
11 | 11824a770 |
12 | 6b239940 |
13 | 3c608502 |
14 | 24dc5972 |
15 | 16c1deb0 |
hex | ece7d00 |
248413440 has 144 divisors (see below), whose sum is σ = 865642176. Its totient is φ = 60211200.
The previous prime is 248413393. The next prime is 248413453. The reversal of 248413440 is 44314842.
248413440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 248413398 and 248413407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39300 + ... + 45180.
It is an arithmetic number, because the mean of its divisors is an integer number (6011404).
Almost surely, 2248413440 is an apocalyptic number.
248413440 is a gapful number since it is divisible by the number (20) 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 248413440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432821088).
248413440 is an abundant number, since it is smaller than the sum of its proper divisors (617228736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248413440 is a wasteful number, since it uses less digits than its factorization.
248413440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5916 (or 5902 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 30.
The square root of 248413440 is about 15761.1370148222. The cubic root of 248413440 is about 628.6250690154.
The spelling of 248413440 in words is "two hundred forty-eight million, four hundred thirteen thousand, four hundred forty".
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