| Base | Representation |
|---|---|
| bin | 1011101001101… |
| … | …1100000010000 |
| 3 | 10101221221000100 |
| 4 | 2322123200100 |
| 5 | 100002341230 |
| 6 | 4503252400 |
| 7 | 1132254222 |
| oct | 272334020 |
| 9 | 111857010 |
| 10 | 48871440 |
| 11 | 2564a922 |
| 12 | 1444a100 |
| 13 | a181817 |
| 14 | 66c2412 |
| 15 | 4455660 |
| hex | 2e9b810 |
48871440 has 120 divisors (see below), whose sum is σ = 165971520. Its totient is φ = 12886272.
The previous prime is 48871429. The next prime is 48871451. The reversal of 48871440 is 4417884.
48871440 = T152 + T153 + ... + T666.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (48871429) and next prime (48871451).
It is a tau number, because it is divible by the number of its divisors (120).
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 = 48871395 and 48871404.
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 23 ways as a sum of consecutive naturals, for example, 73831 + ... + 74489.
It is an arithmetic number, because the mean of its divisors is an integer number (1383096).
Almost surely, 248871440 is an apocalyptic number.
48871440 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 48871440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82985760).
48871440 is an abundant number, since it is smaller than the sum of its proper divisors (117100080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48871440 is a wasteful number, since it uses less digits than its factorization.
48871440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 781 (or 772 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 36.
The square root of 48871440 is about 6990.8111117380. The cubic root of 48871440 is about 365.6102632675.
The spelling of 48871440 in words is "forty-eight million, eight hundred seventy-one thousand, four hundred forty".
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