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550140659 = 3109176951
BaseRepresentation
bin100000110010100…
…111101011110011
31102100012001002222
4200302213223303
52111314000114
6130331231255
716430055425
oct4062475363
91370161088
10550140659
112625a3902
121342a852b
1389c8c523
14530c8815
153346e98e
hex20ca7af3

550140659 has 4 divisors (see below), whose sum is σ = 550320720. Its totient is φ = 549960600.

The previous prime is 550140653. The next prime is 550140673. The reversal of 550140659 is 956041055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 956041055 = 5191208211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-550140659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550140653) 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, 85367 + ... + 91584.

It is an arithmetic number, because the mean of its divisors is an integer number (137580180).

Almost surely, 2550140659 is an apocalyptic number.

550140659 is a deficient number, since it is larger than the sum of its proper divisors (180061).

550140659 is a wasteful number, since it uses less digits than its factorization.

550140659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180060.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 550140659 is about 23455.0774673630. The cubic root of 550140659 is about 819.3911100477.

The spelling of 550140659 in words is "five hundred fifty million, one hundred forty thousand, six hundred fifty-nine".

Divisors: 1 3109 176951 550140659