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283097394 = 232311812803
BaseRepresentation
bin10000110111111…
…011100100110010
3201201200211121200
4100313323210302
51034433104034
644031432030
710005200556
oct2067734462
9651624550
10283097394
1113588a298
127a985616
1346860468
1429853866
1519cc0a99
hex10dfb932

283097394 has 48 divisors (see below), whose sum is σ = 636889344. Its totient is φ = 90784800.

The previous prime is 283097387. The next prime is 283097407. The reversal of 283097394 is 493790382.

It is a happy number.

283097394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99597 + ... + 102399.

It is an arithmetic number, because the mean of its divisors is an integer number (13268528).

Almost surely, 2283097394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283097394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318444672).

283097394 is an abundant number, since it is smaller than the sum of its proper divisors (353791950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

283097394 is a wasteful number, since it uses less digits than its factorization.

283097394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023 (or 3020 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 283097394 is about 16825.4983284300. The cubic root of 283097394 is about 656.6167499942.

The spelling of 283097394 in words is "two hundred eighty-three million, ninety-seven thousand, three hundred ninety-four".

Divisors: 1 2 3 6 9 18 31 62 93 181 186 279 362 543 558 1086 1629 2803 3258 5606 5611 8409 11222 16818 16833 25227 33666 50454 50499 86893 100998 173786 260679 507343 521358 782037 1014686 1522029 1564074 3044058 4566087 9132174 15727633 31455266 47182899 94365798 141548697 283097394