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550513417 = 3714878741
BaseRepresentation
bin100000110100000…
…010101100001001
31102100212222102211
4200310002230021
52111412412132
6130343225121
716433200246
oct4064025411
91370788384
10550513417
11262828973
121344481a1
138a0900ac
14531845cd
15334e5147
hex20d02b09

550513417 has 4 divisors (see below), whose sum is σ = 565392196. Its totient is φ = 535634640.

The previous prime is 550513373. The next prime is 550513433. The reversal of 550513417 is 714315055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 714315055 = 5142863011.

It can be written as a sum of positive squares in 2 ways, for example, as 518973961 + 31539456 = 22781^2 + 5616^2 .

It is a cyclic number.

It is not a de Polignac number, because 550513417 - 27 = 550513289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550583417) 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, 7439334 + ... + 7439407.

It is an arithmetic number, because the mean of its divisors is an integer number (141348049).

Almost surely, 2550513417 is an apocalyptic number.

It is an amenable number.

550513417 is a deficient number, since it is larger than the sum of its proper divisors (14878779).

550513417 is a wasteful number, since it uses less digits than its factorization.

550513417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14878778.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 550513417 is about 23463.0223330244. The cubic root of 550513417 is about 819.5761328099.

The spelling of 550513417 in words is "five hundred fifty million, five hundred thirteen thousand, four hundred seventeen".

Divisors: 1 37 14878741 550513417