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550343141 = 2572141413
BaseRepresentation
bin100000110011011…
…001000111100101
31102100120022212022
4200303121013211
52111341440031
6130335432525
716431560645
oct4063310745
91370508768
10550343141
11262721a47
12134385745
138a03073a
145313c525
15334ae97b
hex20cd91e5

550343141 has 4 divisors (see below), whose sum is σ = 552484812. Its totient is φ = 548201472.

The previous prime is 550343137. The next prime is 550343147. The reversal of 550343141 is 141343055.

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

It can be written as a sum of positive squares in 2 ways, for example, as 544242241 + 6100900 = 23329^2 + 2470^2 .

It is a cyclic number.

It is not a de Polignac number, because 550343141 - 22 = 550343137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550343141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550343147) 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, 1070450 + ... + 1070963.

It is an arithmetic number, because the mean of its divisors is an integer number (138121203).

Almost surely, 2550343141 is an apocalyptic number.

It is an amenable number.

550343141 is a deficient number, since it is larger than the sum of its proper divisors (2141671).

550343141 is a wasteful number, since it uses less digits than its factorization.

550343141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141670.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 550343141 is about 23459.3934491069. The cubic root of 550343141 is about 819.4916247053.

Adding to 550343141 its reverse (141343055), we get a palindrome (691686196).

The spelling of 550343141 in words is "five hundred fifty million, three hundred forty-three thousand, one hundred forty-one".

Divisors: 1 257 2141413 550343141