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115242 = 2319207
BaseRepresentation
bin11100001000101010
312212002020
4130020222
512141432
62245310
7656661
oct341052
9185066
10115242
1179646
1256836
13405ba
142ddd8
152422c
hex1c22a

115242 has 8 divisors (see below), whose sum is σ = 230496. Its totient is φ = 38412.

The previous prime is 115237. The next prime is 115249. The reversal of 115242 is 242511.

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

115242 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 115242.

It is not an unprimeable number, because it can be changed into a prime (115249) 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 in 3 ways as a sum of consecutive naturals, for example, 9598 + ... + 9609.

It is an arithmetic number, because the mean of its divisors is an integer number (28812).

2115242 is an apocalyptic number.

115242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115242 is a wasteful number, since it uses less digits than its factorization.

115242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19212.

The product of its digits is 80, while the sum is 15.

The square root of 115242 is about 339.4731211746. The cubic root of 115242 is about 48.6635284980.

Adding to 115242 its reverse (242511), we get a palindrome (357753).

It can be divided in two parts, 1152 and 42, that multiplied together give a palindrome (48384).

The spelling of 115242 in words is "one hundred fifteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 19207 38414 57621 115242