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112642145 = 5711292577
BaseRepresentation
bin1101011011011…
…00100001100001
321211221210222022
412231230201201
5212314022040
615102151225
72535304520
oct655544141
9254853868
10112642145
1158646790
1231882515
131a44bb75
1410d624b7
159d506b5
hex6b6c861

112642145 has 16 divisors (see below), whose sum is σ = 168524928. Its totient is φ = 70218240.

The previous prime is 112642141. The next prime is 112642147. The reversal of 112642145 is 541246211.

It is not a de Polignac number, because 112642145 - 22 = 112642141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112642141) 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 15 ways as a sum of consecutive naturals, for example, 145904 + ... + 146673.

It is an arithmetic number, because the mean of its divisors is an integer number (10532808).

Almost surely, 2112642145 is an apocalyptic number.

It is an amenable number.

112642145 is a deficient number, since it is larger than the sum of its proper divisors (55882783).

112642145 is a wasteful number, since it uses less digits than its factorization.

112642145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292600.

The product of its digits is 1920, while the sum is 26.

The square root of 112642145 is about 10613.3003820678. The cubic root of 112642145 is about 482.9479244923.

Adding to 112642145 its reverse (541246211), we get a palindrome (653888356).

The spelling of 112642145 in words is "one hundred twelve million, six hundred forty-two thousand, one hundred forty-five".

Divisors: 1 5 7 11 35 55 77 385 292577 1462885 2048039 3218347 10240195 16091735 22528429 112642145