Base | Representation |
---|---|
bin | 1101000000011… |
… | …0100111010000 |
3 | 10210122120200222 |
4 | 3100012213100 |
5 | 102431144130 |
6 | 5225132212 |
7 | 1231456523 |
oct | 320064720 |
9 | 123576628 |
10 | 54553040 |
11 | 28880563 |
12 | 1632a068 |
13 | b3c0909 |
14 | 7360bba |
15 | 4bc8ce5 |
hex | 34069d0 |
54553040 has 20 divisors (see below), whose sum is σ = 126836004. Its totient is φ = 21821184.
The previous prime is 54553039. The next prime is 54553049. The reversal of 54553040 is 4035545.
It can be written as a sum of positive squares in 2 ways, for example, as 20866624 + 33686416 = 4568^2 + 5804^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54553049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340877 + ... + 341036.
Almost surely, 254553040 is an apocalyptic number.
It is an amenable number.
54553040 is an abundant number, since it is smaller than the sum of its proper divisors (72282964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54553040 is a wasteful number, since it uses less digits than its factorization.
54553040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 681926 (or 681920 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 26.
The square root of 54553040 is about 7386.0029786076. The cubic root of 54553040 is about 379.2622806544.
Adding to 54553040 its reverse (4035545), we get a palindrome (58588585).
The spelling of 54553040 in words is "fifty-four million, five hundred fifty-three thousand, forty".
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