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9090284 = 2272192441
BaseRepresentation
bin100010101011…
…010011101100
3122002211112012
4202223103230
54311342114
6522500352
7140160200
oct42532354
918084465
109090284
115149735
1230646b8
131b63788
1412c8b00
15be863e
hex8ab4ec

9090284 has 36 divisors (see below), whose sum is σ = 19487160. Its totient is φ = 3689280.

The previous prime is 9090259. The next prime is 9090331. The reversal of 9090284 is 4820909.

9090284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9090284.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2504 + ... + 4944.

It is an arithmetic number, because the mean of its divisors is an integer number (541310).

Almost surely, 29090284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9090284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9743580).

9090284 is an abundant number, since it is smaller than the sum of its proper divisors (10396876).

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

9090284 is a wasteful number, since it uses less digits than its factorization.

9090284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 9090284 is about 3015.0097843954. The cubic root of 9090284 is about 208.7016185819.

The spelling of 9090284 in words is "nine million, ninety thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 19 28 38 49 76 98 133 196 266 532 931 1862 2441 3724 4882 9764 17087 34174 46379 68348 92758 119609 185516 239218 324653 478436 649306 1298612 2272571 4545142 9090284