Base | Representation |
---|---|
bin | 1011011111101… |
… | …0011001010100 |
3 | 10100201101210121 |
4 | 2313322121110 |
5 | 44320232130 |
6 | 4441201324 |
7 | 1123535266 |
oct | 267723124 |
9 | 110641717 |
10 | 48211540 |
11 | 2523a053 |
12 | 14190244 |
13 | 9cb0350 |
14 | 658db36 |
15 | 4374d7a |
hex | 2dfa654 |
48211540 has 24 divisors (see below), whose sum is σ = 109032840. Its totient is φ = 17801088.
The previous prime is 48211529. The next prime is 48211547. The reversal of 48211540 is 4511284.
It can be written as a sum of positive squares in 4 ways, for example, as 9721924 + 38489616 = 3118^2 + 6204^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48211547) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92455 + ... + 92974.
It is an arithmetic number, because the mean of its divisors is an integer number (4543035).
Almost surely, 248211540 is an apocalyptic number.
It is an amenable number.
48211540 is an abundant number, since it is smaller than the sum of its proper divisors (60821300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48211540 is a wasteful number, since it uses less digits than its factorization.
48211540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185451 (or 185449 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 25.
The square root of 48211540 is about 6943.4530314534. The cubic root of 48211540 is about 363.9572163216.
The spelling of 48211540 in words is "forty-eight million, two hundred eleven thousand, five hundred forty".
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