Base | Representation |
---|---|
bin | 1101000101100… |
… | …0000010010001 |
3 | 10211021112012000 |
4 | 3101120002101 |
5 | 103022332140 |
6 | 5240224213 |
7 | 1234346040 |
oct | 321300221 |
9 | 124245160 |
10 | 54886545 |
11 | 28a8908a |
12 | 1646b069 |
13 | b4a965c |
14 | 740a557 |
15 | 4c42a30 |
hex | 3458091 |
54886545 has 48 divisors (see below), whose sum is σ = 111980160. Its totient is φ = 24986880.
The previous prime is 54886529. The next prime is 54886547. The reversal of 54886545 is 54568845.
54886545 is a `hidden beast` number, since 548 + 8 + 65 + 45 = 666.
It is not a de Polignac number, because 54886545 - 24 = 54886529 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
Its product of digits (768000) is a multiple of the sum of its prime divisors (256).
It is a self number, because there is not a number n which added to its sum of digits gives 54886545.
It is not an unprimeable number, because it can be changed into a prime (54886547) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227625 + ... + 227865.
It is an arithmetic number, because the mean of its divisors is an integer number (2332920).
Almost surely, 254886545 is an apocalyptic number.
It is an amenable number.
54886545 is an abundant number, since it is smaller than the sum of its proper divisors (57093615).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54886545 is an equidigital number, since it uses as much as digits as its factorization.
54886545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 503 (or 256 counting only the distinct ones).
The product of its digits is 768000, while the sum is 45.
The square root of 54886545 is about 7408.5454037888. The cubic root of 54886545 is about 380.0335727494.
The spelling of 54886545 in words is "fifty-four million, eight hundred eighty-six thousand, five hundred forty-five".
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