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112409057 = 312136017
BaseRepresentation
bin1101011001100…
…11100111100001
321211111222020102
412230303213201
5212234042212
615053152145
72533314125
oct654634741
9254458212
10112409057
11584a7652
123178b655
131a399a47
1410d01585
159d065c2
hex6b339e1

112409057 has 4 divisors (see below), whose sum is σ = 112448196. Its totient is φ = 112369920.

The previous prime is 112409053. The next prime is 112409107. The reversal of 112409057 is 750904211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750904211 = 3172368783.

It can be written as a sum of positive squares in 2 ways, for example, as 18241441 + 94167616 = 4271^2 + 9704^2 .

It is a cyclic number.

It is not a de Polignac number, because 112409057 - 22 = 112409053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112409053) 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, 14888 + ... + 21129.

It is an arithmetic number, because the mean of its divisors is an integer number (28112049).

Almost surely, 2112409057 is an apocalyptic number.

It is an amenable number.

112409057 is a deficient number, since it is larger than the sum of its proper divisors (39139).

112409057 is an equidigital number, since it uses as much as digits as its factorization.

112409057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39138.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 112409057 is about 10602.3137569117. The cubic root of 112409057 is about 482.6145764930.

The spelling of 112409057 in words is "one hundred twelve million, four hundred nine thousand, fifty-seven".

Divisors: 1 3121 36017 112409057