Base | Representation |
---|---|
bin | 1011100110001… |
… | …0100001000100 |
3 | 10101112001211011 |
4 | 2321202201010 |
5 | 44422404040 |
6 | 4454252004 |
7 | 1130262544 |
oct | 271424104 |
9 | 111461734 |
10 | 48638020 |
11 | 25500512 |
12 | 14357004 |
13 | a0cc4c2 |
14 | 6661324 |
15 | 440b3ea |
hex | 2e62844 |
48638020 has 24 divisors (see below), whose sum is σ = 108148824. Its totient is φ = 18310656.
The previous prime is 48637999. The next prime is 48638033. The reversal of 48638020 is 2083684.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 26378496 + 22259524 = 5136^2 + 4718^2 .
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71187 + ... + 71866.
It is an arithmetic number, because the mean of its divisors is an integer number (4506201).
Almost surely, 248638020 is an apocalyptic number.
It is an amenable number.
48638020 is an abundant number, since it is smaller than the sum of its proper divisors (59510804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48638020 is a wasteful number, since it uses less digits than its factorization.
48638020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143079 (or 143077 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 31.
The square root of 48638020 is about 6974.0963572351. The cubic root of 48638020 is about 365.0272576129.
The spelling of 48638020 in words is "forty-eight million, six hundred thirty-eight thousand, twenty".
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