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226784 = 2519373
BaseRepresentation
bin110111010111100000
3102112002102
4313113200
524224114
64505532
71633115
oct672740
9375072
10226784
11145428
12ab2a8
137c2bc
145c90c
15472de
hex375e0

226784 has 24 divisors (see below), whose sum is σ = 471240. Its totient is φ = 107136.

The previous prime is 226783. The next prime is 226789. The reversal of 226784 is 487622.

226784 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226783) 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, 422 + ... + 794.

It is an arithmetic number, because the mean of its divisors is an integer number (19635).

2226784 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 226784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235620).

226784 is an abundant number, since it is smaller than the sum of its proper divisors (244456).

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

226784 is a wasteful number, since it uses less digits than its factorization.

226784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 394 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 226784 is about 476.2184372743. The cubic root of 226784 is about 60.9823473062.

The spelling of 226784 in words is "two hundred twenty-six thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 373 608 746 1492 2984 5968 7087 11936 14174 28348 56696 113392 226784