Base | Representation |
---|---|
bin | 1011101000110… |
… | …1000111110010 |
3 | 10101211221012111 |
4 | 2322031013302 |
5 | 44444000110 |
6 | 4502115534 |
7 | 1131620404 |
oct | 272150762 |
9 | 111757174 |
10 | 48812530 |
11 | 2560a638 |
12 | 1441bbaa |
13 | a160a70 |
14 | 66a8b74 |
15 | 4442e8a |
hex | 2e8d1f2 |
48812530 has 16 divisors (see below), whose sum is σ = 94621464. Its totient is φ = 18023040.
The previous prime is 48812521. The next prime is 48812531. The reversal of 48812530 is 3521884.
It can be written as a sum of positive squares in 4 ways, for example, as 23299929 + 25512601 = 4827^2 + 5051^2 .
It is a junction number, because it is equal to n+sod(n) for n = 48812492 and 48812501.
It is not an unprimeable number, because it can be changed into a prime (48812531) 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, 187611 + ... + 187870.
Almost surely, 248812530 is an apocalyptic number.
48812530 is a deficient number, since it is larger than the sum of its proper divisors (45808934).
48812530 is a wasteful number, since it uses less digits than its factorization.
48812530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 375501.
The product of its (nonzero) digits is 7680, while the sum is 31.
The square root of 48812530 is about 6986.5964532095. The cubic root of 48812530 is about 365.4633010849.
The spelling of 48812530 in words is "forty-eight million, eight hundred twelve thousand, five hundred thirty".
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