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115308393 = 3178321557
BaseRepresentation
bin1101101111101…
…11011101101001
322000222021101020
412313313131221
5214004332033
615235243053
72600051034
oct667673551
9260867336
10115308393
115a0a79a2
1232749489
131ab73625
141145801b
15a1ca6b3
hex6df7769

115308393 has 8 divisors (see below), whose sum is σ = 153837888. Its totient is φ = 76825584.

The previous prime is 115308383. The next prime is 115308439. The reversal of 115308393 is 393803511.

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

It is not a de Polignac number, because 115308393 - 24 = 115308377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115308353) 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, 5430 + ... + 16127.

It is an arithmetic number, because the mean of its divisors is an integer number (19229736).

Almost surely, 2115308393 is an apocalyptic number.

It is an amenable number.

115308393 is a deficient number, since it is larger than the sum of its proper divisors (38529495).

115308393 is a wasteful number, since it uses less digits than its factorization.

115308393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23343.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 115308393 is about 10738.1745655395. The cubic root of 115308393 is about 486.7287201685.

The spelling of 115308393 in words is "one hundred fifteen million, three hundred eight thousand, three hundred ninety-three".

Divisors: 1 3 1783 5349 21557 64671 38436131 115308393