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115930 = 2511593
BaseRepresentation
bin11100010011011010
312220000201
4130103122
512202210
62252414
7661663
oct342332
9186021
10115930
117a111
125710a
13409c9
143036a
152453a
hex1c4da

115930 has 8 divisors (see below), whose sum is σ = 208692. Its totient is φ = 46368.

The previous prime is 115903. The next prime is 115931. The reversal of 115930 is 39511.

It can be written as a sum of positive squares in 2 ways, for example, as 110889 + 5041 = 333^2 + 71^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 115898 and 115907.

It is not an unprimeable number, because it can be changed into a prime (115931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5787 + ... + 5806.

2115930 is an apocalyptic number.

115930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115930 is a deficient number, since it is larger than the sum of its proper divisors (92762).

115930 is a wasteful number, since it uses less digits than its factorization.

115930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11600.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 115930 is about 340.4849482723. The cubic root of 115930 is about 48.7601775814.

It can be divided in two parts, 1 and 15930, that added together give a triangular number (15931 = T178).

The spelling of 115930 in words is "one hundred fifteen thousand, nine hundred thirty".

Divisors: 1 2 5 10 11593 23186 57965 115930