Base | Representation |
---|---|
bin | 1011100011110… |
… | …1110011011000 |
3 | 10101020102112112 |
4 | 2320331303120 |
5 | 44403101030 |
6 | 4451131452 |
7 | 1126065245 |
oct | 270756330 |
9 | 111212475 |
10 | 48487640 |
11 | 25408533 |
12 | 142a3b88 |
13 | a078c16 |
14 | 66225cc |
15 | 43cba95 |
hex | 2e3dcd8 |
48487640 has 16 divisors (see below), whose sum is σ = 109097280. Its totient is φ = 19395040.
The previous prime is 48487613. The next prime is 48487643. The reversal of 48487640 is 4678484.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48487643) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606056 + ... + 606135.
It is an arithmetic number, because the mean of its divisors is an integer number (6818580).
Almost surely, 248487640 is an apocalyptic number.
48487640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
48487640 is an abundant number, since it is smaller than the sum of its proper divisors (60609640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48487640 is a wasteful number, since it uses less digits than its factorization.
48487640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1212202 (or 1212198 counting only the distinct ones).
The product of its (nonzero) digits is 172032, while the sum is 41.
The square root of 48487640 is about 6963.3066857636. The cubic root of 48487640 is about 364.6506697141.
The spelling of 48487640 in words is "forty-eight million, four hundred eighty-seven thousand, six hundred forty".
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