| Base | Representation |
|---|---|
| bin | 1011100110010… |
| … | …0001000100000 |
| 3 | 10101112101220100 |
| 4 | 2321210020200 |
| 5 | 44423112030 |
| 6 | 4454342400 |
| 7 | 1130321052 |
| oct | 271441040 |
| 9 | 111471810 |
| 10 | 48644640 |
| 11 | 25505490 |
| 12 | 1435aa00 |
| 13 | a102515 |
| 14 | 66638d2 |
| 15 | 440d360 |
| hex | 2e64220 |
48644640 has 288 divisors, whose sum is σ = 188225856. Its totient is φ = 11335680.
The previous prime is 48644639. The next prime is 48644647. The reversal of 48644640 is 4644684.
48644640 is a `hidden beast` number, since 4 + 8 + 6 + 4 + 4 + 640 = 666.
It is a tau number, because it is divible by the number of its divisors (288).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 48644595 and 48644604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48644647) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 586039 + ... + 586121.
It is an arithmetic number, because the mean of its divisors is an integer number (653562).
Almost surely, 248644640 is an apocalyptic number.
48644640 is a gapful number since it is divisible by the number (40) 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 48644640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94112928).
48644640 is an abundant number, since it is smaller than the sum of its proper divisors (139581216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48644640 is a wasteful number, since it uses less digits than its factorization.
48644640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152 (or 141 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 36.
The square root of 48644640 is about 6974.5709545462. The cubic root of 48644640 is about 365.0438178458.
It can be divided in two parts, 48644 and 640, that added together give a square (49284 = 2222).
The spelling of 48644640 in words is "forty-eight million, six hundred forty-four thousand, six hundred forty".
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