Base | Representation |
---|---|
bin | 1100111111001… |
… | …1101100101000 |
3 | 10210111122102100 |
4 | 3033303230220 |
5 | 102421204220 |
6 | 5223333400 |
7 | 1231014606 |
oct | 317635450 |
9 | 123448370 |
10 | 54475560 |
11 | 28828327 |
12 | 162b1260 |
13 | b394579 |
14 | 7340876 |
15 | 4bb0d90 |
hex | 33f3b28 |
54475560 has 72 divisors (see below), whose sum is σ = 177501870. Its totient is φ = 14489472.
The previous prime is 54475549. The next prime is 54475579. The reversal of 54475560 is 6557445.
It is a happy number.
54475560 is a `hidden beast` number, since 54 + 47 + 5 + 560 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 29615364 + 24860196 = 5442^2 + 4986^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 139846 + ... + 140234.
Almost surely, 254475560 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54475560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88750935).
54475560 is an abundant number, since it is smaller than the sum of its proper divisors (123026310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54475560 is a wasteful number, since it uses less digits than its factorization.
54475560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 795 (or 399 counting only the distinct ones).
The product of its (nonzero) digits is 84000, while the sum is 36.
The square root of 54475560 is about 7380.7560588330. The cubic root of 54475560 is about 379.0826440772.
The spelling of 54475560 in words is "fifty-four million, four hundred seventy-five thousand, five hundred sixty".
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