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115228 = 2228807
BaseRepresentation
bin11100001000011100
312212001201
4130020130
512141403
62245244
7656641
oct341034
9185051
10115228
1179633
1256824
13405a9
142ddc8
152421d
hex1c21c

115228 has 6 divisors (see below), whose sum is σ = 201656. Its totient is φ = 57612.

The previous prime is 115223. The next prime is 115237. The reversal of 115228 is 822511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14400 + ... + 14407.

2115228 is an apocalyptic number.

It is an amenable number.

115228 is a deficient number, since it is larger than the sum of its proper divisors (86428).

115228 is a wasteful number, since it uses less digits than its factorization.

115228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28811 (or 28809 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 115228 is about 339.4525003590. The cubic root of 115228 is about 48.6615578132.

Adding to 115228 its reverse (822511), we get a palindrome (937739).

It can be divided in two parts, 115 and 228, that added together give a palindrome (343).

The spelling of 115228 in words is "one hundred fifteen thousand, two hundred twenty-eight".

Divisors: 1 2 4 28807 57614 115228