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228057 = 3194001
BaseRepresentation
bin110111101011011001
3102120211120
4313223121
524244212
64515453
71636614
oct675331
9376746
10228057
11146385
12abb89
137ca5b
145d17b
154788c
hex37ad9

228057 has 8 divisors (see below), whose sum is σ = 320160. Its totient is φ = 144000.

The previous prime is 228049. The next prime is 228061. The reversal of 228057 is 750822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 228057 - 23 = 228049 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (228077) 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, 1944 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (40020).

2228057 is an apocalyptic number.

It is an amenable number.

228057 is a deficient number, since it is larger than the sum of its proper divisors (92103).

228057 is a wasteful number, since it uses less digits than its factorization.

228057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 228057 is about 477.5531384045. The cubic root of 228057 is about 61.0962379477.

Adding to 228057 its reverse (750822), we get a palindrome (978879).

The spelling of 228057 in words is "two hundred twenty-eight thousand, fifty-seven".

Divisors: 1 3 19 57 4001 12003 76019 228057