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550470142 = 21061259411
BaseRepresentation
bin100000110011111…
…000000111111110
31102100210210002001
4200303320013332
52111410021032
6130342252514
716432630135
oct4063700776
91370723061
10550470142
112627a9402
1213442713a
138a0764a1
145317291c
15334d73e7
hex20cf81fe

550470142 has 8 divisors (see below), whose sum is σ = 826486632. Its totient is φ = 274974600.

The previous prime is 550470139. The next prime is 550470143. The reversal of 550470142 is 241074055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 550470142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550470143) 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, 127584 + ... + 131827.

It is an arithmetic number, because the mean of its divisors is an integer number (103310829).

Almost surely, 2550470142 is an apocalyptic number.

550470142 is a deficient number, since it is larger than the sum of its proper divisors (276016490).

550470142 is a wasteful number, since it uses less digits than its factorization.

550470142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260474.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 550470142 is about 23462.1001191283. The cubic root of 550470142 is about 819.5546570472.

The spelling of 550470142 in words is "five hundred fifty million, four hundred seventy thousand, one hundred forty-two".

Divisors: 1 2 1061 2122 259411 518822 275235071 550470142