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228102 = 2375431
BaseRepresentation
bin110111101100000110
3102120220020
4313230012
524244402
64520010
71640010
oct675406
9376806
10228102
11146416
12b0006
137ca94
145d1b0
15478bc
hex37b06

228102 has 16 divisors (see below), whose sum is σ = 521472. Its totient is φ = 65160.

The previous prime is 228097. The next prime is 228103. The reversal of 228102 is 201822.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 228102.

It is not an unprimeable number, because it can be changed into a prime (228103) 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, 2674 + ... + 2757.

It is an arithmetic number, because the mean of its divisors is an integer number (32592).

2228102 is an apocalyptic number.

228102 is an abundant number, since it is smaller than the sum of its proper divisors (293370).

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

228102 is a wasteful number, since it uses less digits than its factorization.

228102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 228102 is about 477.6002512562. The cubic root of 228102 is about 61.1002561681.

Adding to 228102 its reverse (201822), we get a palindrome (429924).

The spelling of 228102 in words is "two hundred twenty-eight thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 42 5431 10862 16293 32586 38017 76034 114051 228102