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550908147 = 3183636049
BaseRepresentation
bin100000110101100…
…011000011110011
31102101122000220110
4200311203003303
52112013030042
6130355512403
716436433126
oct4065430363
91371560813
10550908147
11262a78499
121345b8703
138a19a96a
14532483bd
153357209c
hex20d630f3

550908147 has 4 divisors (see below), whose sum is σ = 734544200. Its totient is φ = 367272096.

The previous prime is 550908139. The next prime is 550908191. The reversal of 550908147 is 741809055.

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

It is not a de Polignac number, because 550908147 - 23 = 550908139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550908047) 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, 91818022 + ... + 91818027.

It is an arithmetic number, because the mean of its divisors is an integer number (183636050).

Almost surely, 2550908147 is an apocalyptic number.

550908147 is a deficient number, since it is larger than the sum of its proper divisors (183636053).

550908147 is a wasteful number, since it uses less digits than its factorization.

550908147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183636052.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 550908147 is about 23471.4325723847. The cubic root of 550908147 is about 819.7719706019.

The spelling of 550908147 in words is "five hundred fifty million, nine hundred eight thousand, one hundred forty-seven".

Divisors: 1 3 183636049 550908147