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112981385 = 5112054207
BaseRepresentation
bin1101011101111…
…11010110001001
321212121001022202
412232333112021
5212410401020
615113325545
72541216536
oct656772611
9255531282
10112981385
1158858650
1231a068b5
131a53a3ba
141100dd8d
159dbae75
hex6bbf589

112981385 has 8 divisors (see below), whose sum is σ = 147902976. Its totient is φ = 82168240.

The previous prime is 112981369. The next prime is 112981397. The reversal of 112981385 is 583189211.

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

It is not a de Polignac number, because 112981385 - 24 = 112981369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027049 + ... + 1027158.

It is an arithmetic number, because the mean of its divisors is an integer number (18487872).

Almost surely, 2112981385 is an apocalyptic number.

It is an amenable number.

112981385 is a deficient number, since it is larger than the sum of its proper divisors (34921591).

112981385 is a wasteful number, since it uses less digits than its factorization.

112981385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054223.

The product of its digits is 17280, while the sum is 38.

The square root of 112981385 is about 10629.2702007240. The cubic root of 112981385 is about 483.4322638025.

The spelling of 112981385 in words is "one hundred twelve million, nine hundred eighty-one thousand, three hundred eighty-five".

Divisors: 1 5 11 55 2054207 10271035 22596277 112981385