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112431043 = 163689761
BaseRepresentation
bin1101011001110…
…00111111000011
321211120002101201
412230320333003
5212240243133
615053442031
72533435204
oct654707703
9254502351
10112431043
115851211a
12317a0317
131a3a6a5a
1410d095ab
159d0cd7d
hex6b38fc3

112431043 has 4 divisors (see below), whose sum is σ = 113120968. Its totient is φ = 111741120.

The previous prime is 112431041. The next prime is 112431071. The reversal of 112431043 is 340134211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340134211 = 811419401.

It is a cyclic number.

It is not a de Polignac number, because 112431043 - 21 = 112431041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112431043.

It is not an unprimeable number, because it can be changed into a prime (112431041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344718 + ... + 345043.

It is an arithmetic number, because the mean of its divisors is an integer number (28280242).

Almost surely, 2112431043 is an apocalyptic number.

112431043 is a deficient number, since it is larger than the sum of its proper divisors (689925).

112431043 is an equidigital number, since it uses as much as digits as its factorization.

112431043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689924.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 112431043 is about 10603.3505553669. The cubic root of 112431043 is about 482.6460391784.

Adding to 112431043 its reverse (340134211), we get a palindrome (452565254).

The spelling of 112431043 in words is "one hundred twelve million, four hundred thirty-one thousand, forty-three".

Divisors: 1 163 689761 112431043