Base | Representation |
---|---|
bin | 1011101011010… |
… | …1101000010010 |
3 | 10102011100210200 |
4 | 2322311220102 |
5 | 100014302300 |
6 | 4505440030 |
7 | 1133211213 |
oct | 272655022 |
9 | 112140720 |
10 | 48978450 |
11 | 25713264 |
12 | 144a0016 |
13 | a1bb441 |
14 | 670d40a |
15 | 4477200 |
hex | 2eb5a12 |
48978450 has 72 divisors (see below), whose sum is σ = 135872256. Its totient is φ = 12636000.
The previous prime is 48978443. The next prime is 48978451. The reversal of 48978450 is 5487984.
48978450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 48978396 and 48978405.
It is not an unprimeable number, because it can be changed into a prime (48978451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12195 + ... + 15705.
Almost surely, 248978450 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 48978450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67936128).
48978450 is an abundant number, since it is smaller than the sum of its proper divisors (86893806).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
48978450 is a wasteful number, since it uses less digits than its factorization.
48978450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3560 (or 3552 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The square root of 48978450 is about 6998.4605450056. The cubic root of 48978450 is about 365.8769182123.
The spelling of 48978450 in words is "forty-eight million, nine hundred seventy-eight thousand, four hundred fifty".
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