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228914724 = 223171122131
BaseRepresentation
bin11011010010011…
…11011000100100
3120221202001222010
431221033120210
5432100232344
634414234220
75446512603
oct1551173044
9527661863
10228914724
11108242025
12647b5970
133856c2cc
142258ba3a
151516b8b9
hexda4f624

228914724 has 24 divisors (see below), whose sum is σ = 565554528. Its totient is φ = 71816320.

The previous prime is 228914723. The next prime is 228914731. The reversal of 228914724 is 427419822.

It is a happy number.

228914724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228914723) 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, 560862 + ... + 561269.

It is an arithmetic number, because the mean of its divisors is an integer number (23564772).

Almost surely, 2228914724 is an apocalyptic number.

It is an amenable number.

228914724 is an abundant number, since it is smaller than the sum of its proper divisors (336639804).

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

228914724 is a wasteful number, since it uses less digits than its factorization.

228914724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122155 (or 1122153 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 228914724 is about 15129.9280897168. The cubic root of 228914724 is about 611.7273658560.

The spelling of 228914724 in words is "two hundred twenty-eight million, nine hundred fourteen thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1122131 2244262 3366393 4488524 6732786 13465572 19076227 38152454 57228681 76304908 114457362 228914724