Base | Representation |
---|---|
bin | 1101000101000… |
… | …1000011011110 |
3 | 10211020001221221 |
4 | 3101101003132 |
5 | 103020423300 |
6 | 5235443554 |
7 | 1234166500 |
oct | 321210336 |
9 | 124201857 |
10 | 54857950 |
11 | 28a69654 |
12 | 164565ba |
13 | b499634 |
14 | 73ddd70 |
15 | 4c3931a |
hex | 34510de |
54857950 has 36 divisors (see below), whose sum is σ = 118699992. Its totient is φ = 18807600.
The previous prime is 54857923. The next prime is 54857969. The reversal of 54857950 is 5975845.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 54857897 and 54857906.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8746 + ... + 13645.
It is an arithmetic number, because the mean of its divisors is an integer number (3297222).
Almost surely, 254857950 is an apocalyptic number.
54857950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
54857950 is an abundant number, since it is smaller than the sum of its proper divisors (63842042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54857950 is a wasteful number, since it uses less digits than its factorization.
54857950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22417 (or 22405 counting only the distinct ones).
The product of its (nonzero) digits is 252000, while the sum is 43.
The square root of 54857950 is about 7406.6152863504. The cubic root of 54857950 is about 379.9675641751.
The spelling of 54857950 in words is "fifty-four million, eight hundred fifty-seven thousand, nine hundred fifty".
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