Base | Representation |
---|---|
bin | 100001000001011… |
… | …010110011001000 |
3 | 1102121111010121202 |
4 | 201001122303020 |
5 | 2113312120130 |
6 | 130550323332 |
7 | 16505043530 |
oct | 4101326310 |
9 | 1377433552 |
10 | 554020040 |
11 | 264803502 |
12 | 135659548 |
13 | 8aa1a212 |
14 | 538184c0 |
15 | 33989145 |
hex | 2105acc8 |
554020040 has 64 divisors (see below), whose sum is σ = 1430352000. Its totient is φ = 189186048.
The previous prime is 554020039. The next prime is 554020063. The reversal of 554020040 is 40020455.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 554019994 and 554020021.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68111 + ... + 75809.
It is an arithmetic number, because the mean of its divisors is an integer number (22349250).
Almost surely, 2554020040 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 554020040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715176000).
554020040 is an abundant number, since it is smaller than the sum of its proper divisors (876331960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
554020040 is a wasteful number, since it uses less digits than its factorization.
554020040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7974 (or 7970 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 20.
The square root of 554020040 is about 23537.6302970371. The cubic root of 554020040 is about 821.3126111868.
Adding to 554020040 its reverse (40020455), we get a palindrome (594040495).
The spelling of 554020040 in words is "five hundred fifty-four million, twenty thousand, forty".
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