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101228 = 2225307
BaseRepresentation
bin11000101101101100
312010212012
4120231230
511214403
62100352
7601061
oct305554
9163765
10101228
116a066
124a6b8
13370ca
1428c68
151eed8
hex18b6c

101228 has 6 divisors (see below), whose sum is σ = 177156. Its totient is φ = 50612.

The previous prime is 101221. The next prime is 101267. The reversal of 101228 is 822101.

It is not an unprimeable number, because it can be changed into a prime (101221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12650 + ... + 12657.

It is an arithmetic number, because the mean of its divisors is an integer number (29526).

2101228 is an apocalyptic number.

It is an amenable number.

101228 is a deficient number, since it is larger than the sum of its proper divisors (75928).

101228 is a wasteful number, since it uses less digits than its factorization.

101228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25311 (or 25309 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 101228 is about 318.1634799910. The cubic root of 101228 is about 46.6051115860.

Adding to 101228 its reverse (822101), we get a palindrome (923329).

The spelling of 101228 in words is "one hundred one thousand, two hundred twenty-eight".

Divisors: 1 2 4 25307 50614 101228