Base | Representation |
---|---|
bin | 1101000100000… |
… | …0100100101000 |
3 | 10211002122100120 |
4 | 3101000210220 |
5 | 103011243230 |
6 | 5234203240 |
7 | 1233465615 |
oct | 321004450 |
9 | 124078316 |
10 | 54790440 |
11 | 28a22961 |
12 | 16423520 |
13 | b4749a3 |
14 | 73c350c |
15 | 4c24310 |
hex | 3440928 |
54790440 has 32 divisors (see below), whose sum is σ = 164371680. Its totient is φ = 14610752.
The previous prime is 54790427. The next prime is 54790453. The reversal of 54790440 is 4409745.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (54790427) and next prime (54790453).
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, 228174 + ... + 228413.
It is an arithmetic number, because the mean of its divisors is an integer number (5136615).
Almost surely, 254790440 is an apocalyptic number.
It is an amenable number.
54790440 is an abundant number, since it is smaller than the sum of its proper divisors (109581240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54790440 is a wasteful number, since it uses less digits than its factorization.
54790440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 456601 (or 456597 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 54790440 is about 7402.0564710086. The cubic root of 54790440 is about 379.8116333269.
The spelling of 54790440 in words is "fifty-four million, seven hundred ninety thousand, four hundred forty".
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