Base | Representation |
---|---|
bin | 1011100110100… |
… | …0000010100000 |
3 | 10101120012211221 |
4 | 2321220002200 |
5 | 44424120030 |
6 | 4454544424 |
7 | 1130415520 |
oct | 271500240 |
9 | 111505757 |
10 | 48660640 |
11 | 25516506 |
12 | 14368114 |
13 | a1098a2 |
14 | 6669680 |
15 | 4412e7a |
hex | 2e680a0 |
48660640 has 96 divisors (see below), whose sum is σ = 137168640. Its totient is φ = 15949824.
The previous prime is 48660629. The next prime is 48660671. The reversal of 48660640 is 4606684.
It is a junction number, because it is equal to n+sod(n) for n = 48660596 and 48660605.
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, 24816 + ... + 26704.
It is an arithmetic number, because the mean of its divisors is an integer number (1428840).
Almost surely, 248660640 is an apocalyptic number.
48660640 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 48660640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68584320).
48660640 is an abundant number, since it is smaller than the sum of its proper divisors (88508000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48660640 is a wasteful number, since it uses less digits than its factorization.
48660640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1934 (or 1926 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 34.
The square root of 48660640 is about 6975.7178842037. The cubic root of 48660640 is about 365.0838363750.
The spelling of 48660640 in words is "forty-eight million, six hundred sixty thousand, six hundred forty".
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