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283705344 = 216321337
BaseRepresentation
bin10000111010010…
…000000000000000
3201202211201120100
4100322100000000
51040112032334
644052442400
710013312166
oct2072200000
9652751510
10283705344
1113616502a
127b019400
1346a140b0
1429971236
1519d90c99
hex10e90000

283705344 has 204 divisors, whose sum is σ = 906487036. Its totient is φ = 84934656.

The previous prime is 283705337. The next prime is 283705349. The reversal of 283705344 is 443507382.

It is a happy number.

283705344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 150994944 + 132710400 = 12288^2 + 11520^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 283705299 and 283705308.

It is not an unprimeable number, because it can be changed into a prime (283705349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7667694 + ... + 7667730.

Almost surely, 2283705344 is an apocalyptic number.

283705344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283705344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453243518).

283705344 is an abundant number, since it is smaller than the sum of its proper divisors (622781692).

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

283705344 is an equidigital number, since it uses as much as digits as its factorization.

283705344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 283705344 is about 16843.5549691863. The cubic root of 283705344 is about 657.0864408134.

The spelling of 283705344 in words is "two hundred eighty-three million, seven hundred five thousand, three hundred forty-four".