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112678389 = 326722789
BaseRepresentation
bin1101011011101…
…01010111110101
321212000122200200
412231311113311
5212321202024
615103031113
72535515265
oct655652765
9255018620
10112678389
1158670a3a
123189b499
131a462505
1410d717a5
159d5b2c9
hex6b755f5

112678389 has 18 divisors (see below), whose sum is σ = 165282390. Its totient is φ = 73971216.

The previous prime is 112678381. The next prime is 112678409. The reversal of 112678389 is 983876211.

112678389 is a `hidden beast` number, since 1 + 1 + 267 + 8 + 389 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101002500 + 11675889 = 10050^2 + 3417^2 .

It is not a de Polignac number, because 112678389 - 23 = 112678381 is a prime.

It is a super-3 number, since 3×1126783893 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112678381) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 39007 + ... + 41795.

It is an arithmetic number, because the mean of its divisors is an integer number (9182355).

Almost surely, 2112678389 is an apocalyptic number.

It is an amenable number.

112678389 is a deficient number, since it is larger than the sum of its proper divisors (52604001).

112678389 is an equidigital number, since it uses as much as digits as its factorization.

112678389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929 (or 2859 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 112678389 is about 10615.0077249148. The cubic root of 112678389 is about 482.9997170889. Note that the first 3 decimals are identical.

The spelling of 112678389 in words is "one hundred twelve million, six hundred seventy-eight thousand, three hundred eighty-nine".

Divisors: 1 3 9 67 201 603 2789 4489 8367 13467 25101 40401 186863 560589 1681767 12519821 37559463 112678389