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550005081 = 3977187651
BaseRepresentation
bin100000110010000…
…110100101011001
31102022221011010120
4200302012211121
52111300130311
6130324303453
716425652233
oct4062064531
91368834116
10550005081
11262510a5a
12134241b89
1389c428c2
1453091253
1533444706
hex20c86959

550005081 has 8 divisors (see below), whose sum is σ = 734094624. Its totient is φ = 366292800.

The previous prime is 550005059. The next prime is 550005083. The reversal of 550005081 is 180500055.

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

It is not a de Polignac number, because 550005081 - 210 = 550004057 is a prime.

It is a super-2 number, since 2×5500050812 = 605011178251633122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550005083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90895 + ... + 96756.

It is an arithmetic number, because the mean of its divisors is an integer number (91761828).

Almost surely, 2550005081 is an apocalyptic number.

It is an amenable number.

550005081 is a deficient number, since it is larger than the sum of its proper divisors (184089543).

550005081 is a wasteful number, since it uses less digits than its factorization.

550005081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188631.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 550005081 is about 23452.1871261509. The cubic root of 550005081 is about 819.3237936058.

The spelling of 550005081 in words is "five hundred fifty million, five thousand, eighty-one".

Divisors: 1 3 977 2931 187651 562953 183335027 550005081