Base | Representation |
---|---|
bin | 1100111111010… |
… | …0111101100100 |
3 | 10210111220112012 |
4 | 3033310331210 |
5 | 102421340430 |
6 | 5223413352 |
7 | 1231035656 |
oct | 317647544 |
9 | 123456465 |
10 | 54480740 |
11 | 28831206 |
12 | 162b4258 |
13 | b396a32 |
14 | 73426d6 |
15 | 4bb2695 |
hex | 33f4f64 |
54480740 has 24 divisors (see below), whose sum is σ = 114548280. Its totient is φ = 21765888.
The previous prime is 54480737. The next prime is 54480749. The reversal of 54480740 is 4708445.
It can be written as a sum of positive squares in 4 ways, for example, as 16337764 + 38142976 = 4042^2 + 6176^2 .
It is a junction number, because it is equal to n+sod(n) for n = 54480697 and 54480706.
It is not an unprimeable number, because it can be changed into a prime (54480749) 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, 31334 + ... + 33026.
It is an arithmetic number, because the mean of its divisors is an integer number (4772845).
Almost surely, 254480740 is an apocalyptic number.
It is an amenable number.
54480740 is an abundant number, since it is smaller than the sum of its proper divisors (60067540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54480740 is a wasteful number, since it uses less digits than its factorization.
54480740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3311 (or 3309 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 32.
The square root of 54480740 is about 7381.1069630510. The cubic root of 54480740 is about 379.0946591647.
The spelling of 54480740 in words is "fifty-four million, four hundred eighty thousand, seven hundred forty".
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