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115903938 = 2319317323
BaseRepresentation
bin1101110100010…
…00110111000010
322002002112022110
412322020313002
5214132411223
615300120150
72605111233
oct672106702
9262075273
10115903938
115a474387
1232996056
131b021717
141157108a
15a296d93
hex6e88dc2

115903938 has 8 divisors (see below), whose sum is σ = 231807888. Its totient is φ = 38634644.

The previous prime is 115903937. The next prime is 115903961. The reversal of 115903938 is 839309511.

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

115903938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 115903896 and 115903905.

It is not an unprimeable number, because it can be changed into a prime (115903937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9658656 + ... + 9658667.

It is an arithmetic number, because the mean of its divisors is an integer number (28975986).

Almost surely, 2115903938 is an apocalyptic number.

115903938 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.

115903938 is a wasteful number, since it uses less digits than its factorization.

115903938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19317328.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 115903938 is about 10765.8691242277. The cubic root of 115903938 is about 487.5652341369.

The spelling of 115903938 in words is "one hundred fifteen million, nine hundred three thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 19317323 38634646 57951969 115903938