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115130234 = 21913192297
BaseRepresentation
bin1101101110010…
…11111101111010
322000122012222202
412313023331322
5213433131414
615231350202
72565406442
oct667137572
9260565882
10115130234
1159a9605a
1232682362
131ab104cb
141140d122
15a1929de
hex6dcbf7a

115130234 has 16 divisors (see below), whose sum is σ = 182001600. Its totient is φ = 54470304.

The previous prime is 115130233. The next prime is 115130303. The reversal of 115130234 is 432031511.

It is not an unprimeable number, because it can be changed into a prime (115130233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48974 + ... + 51270.

It is an arithmetic number, because the mean of its divisors is an integer number (11375100).

Almost surely, 2115130234 is an apocalyptic number.

115130234 is a deficient number, since it is larger than the sum of its proper divisors (66871366).

115130234 is a wasteful number, since it uses less digits than its factorization.

115130234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 115130234 is about 10729.8757681531. The cubic root of 115130234 is about 486.4779150643.

Adding to 115130234 its reverse (432031511), we get a palindrome (547161745).

The spelling of 115130234 in words is "one hundred fifteen million, one hundred thirty thousand, two hundred thirty-four".

Divisors: 1 2 19 38 1319 2297 2638 4594 25061 43643 50122 87286 3029743 6059486 57565117 115130234