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283040009 = 771569497
BaseRepresentation
bin10000110111101…
…101100100001001
3201201120220220022
4100313231210021
51034424240014
644030310225
710004541350
oct2067554411
9651526808
10283040009
1113585016a
127a958375
13468402c5
142983a997
1519cada8e
hex10ded909

283040009 has 8 divisors (see below), whose sum is σ = 328030848. Its totient is φ = 239188320.

The previous prime is 283040003. The next prime is 283040033. The reversal of 283040009 is 900040382.

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

It is not a de Polignac number, because 283040009 - 24 = 283039993 is a prime.

It is a super-2 number, since 2×2830400092 = 160223293389440162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 283040009.

It is not an unprimeable number, because it can be changed into a prime (283040003) 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, 284252 + ... + 285245.

It is an arithmetic number, because the mean of its divisors is an integer number (41003856).

Almost surely, 2283040009 is an apocalyptic number.

It is an amenable number.

283040009 is a deficient number, since it is larger than the sum of its proper divisors (44990839).

283040009 is an equidigital number, since it uses as much as digits as its factorization.

283040009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569575.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 283040009 is about 16823.7929433288. The cubic root of 283040009 is about 656.5723806955.

The spelling of 283040009 in words is "two hundred eighty-three million, forty thousand, nine".

Divisors: 1 7 71 497 569497 3986479 40434287 283040009