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115930000 = 245411593
BaseRepresentation
bin1101110100011…
…11001110010000
322002010212001201
412322033032100
5214134230000
615300440544
72605250224
oct672171620
9262125051
10115930000
115a491a1a
12329a9154
131b030544
141157a784
15a29e96a
hex6e8f390

115930000 has 50 divisors (see below), whose sum is σ = 280702334. Its totient is φ = 46368000.

The previous prime is 115929997. The next prime is 115930043. The reversal of 115930000 is 39511.

It can be written as a sum of positive squares in 5 ways, for example, as 17205904 + 98724096 = 4148^2 + 9936^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a self number, because there is not a number n which added to its sum of digits gives 115930000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4204 + ... + 15796.

Almost surely, 2115930000 is an apocalyptic number.

115930000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115930000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140351167).

115930000 is an abundant number, since it is smaller than the sum of its proper divisors (164772334).

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

115930000 is an equidigital number, since it uses as much as digits as its factorization.

115930000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621 (or 11600 counting only the distinct ones).

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

The square root of 115930000 is about 10767.0794554512. The cubic root of 115930000 is about 487.6017758140.

Adding to 115930000 its reverse (39511), we get a palindrome (115969511).

The spelling of 115930000 in words is "one hundred fifteen million, nine hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 11593 23186 46372 57965 92744 115930 185488 231860 289825 463720 579650 927440 1159300 1449125 2318600 2898250 4637200 5796500 7245625 11593000 14491250 23186000 28982500 57965000 115930000