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554000443 = 2161256363
BaseRepresentation
bin100001000001010…
…110000000111011
31102121110010201221
4201001112000323
52113311003233
6130550052511
716504632433
oct4101260073
91377403657
10554000443
1126479a807
1213564a137
138aa11319
14538112c3
153398342d
hex2105603b

554000443 has 4 divisors (see below), whose sum is σ = 554258968. Its totient is φ = 553741920.

The previous prime is 554000417. The next prime is 554000449. The reversal of 554000443 is 344000455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 554000443 - 213 = 553992251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554000449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 126021 + ... + 130342.

It is an arithmetic number, because the mean of its divisors is an integer number (138564742).

Almost surely, 2554000443 is an apocalyptic number.

554000443 is a deficient number, since it is larger than the sum of its proper divisors (258525).

554000443 is a wasteful number, since it uses less digits than its factorization.

554000443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258524.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 554000443 is about 23537.2140025110. The cubic root of 554000443 is about 821.3029271490.

Adding to 554000443 its reverse (344000455), we get a palindrome (898000898).

The spelling of 554000443 in words is "five hundred fifty-four million, four hundred forty-three", and thus it is an aban number.

Divisors: 1 2161 256363 554000443