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228484 = 222392
BaseRepresentation
bin110111110010000100
3102121102101
4313302010
524302414
64521444
71641064
oct676204
9377371
10228484
11146733
12b0284
137ccc9
145d3a4
1547a74
hex37c84

228484 has 9 divisors (see below), whose sum is σ = 401527. Its totient is φ = 113764.

The previous prime is 228479. The next prime is 228509. The reversal of 228484 is 484822.

Multipling 228484 by its product of digits (4096), we get a square (935870464 = 305922).

228484 = T477 + T478.

The square root of 228484 is 478.

It is a perfect power (a square), and thus also a powerful number.

228484 is nontrivially palindromic in base 15.

228484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 837 + ... + 1075.

228484 is a Friedman number, since it can be written as (484-8+2)^2, using all its digits and the basic arithmetic operations.

2228484 is an apocalyptic number.

228484 is the 478-th square number.

It is an amenable number.

228484 is a deficient number, since it is larger than the sum of its proper divisors (173043).

228484 is an equidigital number, since it uses as much as digits as its factorization.

228484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 241 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

The cubic root of 228484 is about 61.1343451294.

The spelling of 228484 in words is "two hundred twenty-eight thousand, four hundred eighty-four".

Divisors: 1 2 4 239 478 956 57121 114242 228484