Base | Representation |
---|---|
bin | 100001000010001… |
… | …000000101100101 |
3 | 1102121211120002011 |
4 | 201002020011211 |
5 | 2113334034131 |
6 | 130554314221 |
7 | 16506445411 |
oct | 4102100545 |
9 | 1377746064 |
10 | 554205541 |
11 | 26491a90a |
12 | 135728971 |
13 | 8aa83796 |
14 | 53865d41 |
15 | 339c40b1 |
hex | 21088165 |
554205541 has 4 divisors (see below), whose sum is σ = 554254092. Its totient is φ = 554156992.
The previous prime is 554205517. The next prime is 554205551. The reversal of 554205541 is 145502455.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 63760225 + 490445316 = 7985^2 + 22146^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-554205541 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (554205511) 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, 3255 + ... + 33451.
It is an arithmetic number, because the mean of its divisors is an integer number (138563523).
Almost surely, 2554205541 is an apocalyptic number.
It is an amenable number.
554205541 is a deficient number, since it is larger than the sum of its proper divisors (48551).
554205541 is a wasteful number, since it uses less digits than its factorization.
554205541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48550.
The product of its (nonzero) digits is 20000, while the sum is 31.
The square root of 554205541 is about 23541.5704871192. The cubic root of 554205541 is about 821.4042669024.
Adding to 554205541 its reverse (145502455), we get a palindrome (699707996).
The spelling of 554205541 in words is "five hundred fifty-four million, two hundred five thousand, five hundred forty-one".
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