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115986427 = 1754712473
BaseRepresentation
bin1101110100111…
…00111111111011
322002020201110121
412322130333323
5214143031202
615301554111
72605603564
oct672347773
9262221417
10115986427
115a520357
1232a15937
131b05012b
141159316b
15a2b1537
hex6e9cffb

115986427 has 8 divisors (see below), whose sum is σ = 123043536. Its totient is φ = 108955392.

The previous prime is 115986397. The next prime is 115986449. The reversal of 115986427 is 724689511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115986427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115986467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3063 + ... + 15535.

It is an arithmetic number, because the mean of its divisors is an integer number (15380442).

Almost surely, 2115986427 is an apocalyptic number.

115986427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

115986427 is a deficient number, since it is larger than the sum of its proper divisors (7057109).

115986427 is a wasteful number, since it uses less digits than its factorization.

115986427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13037.

The product of its digits is 120960, while the sum is 43.

The square root of 115986427 is about 10769.6994851296. The cubic root of 115986427 is about 487.6808736680.

The spelling of 115986427 in words is "one hundred fifteen million, nine hundred eighty-six thousand, four hundred twenty-seven".

Divisors: 1 17 547 9299 12473 212041 6822731 115986427