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112430161 = 373038653
BaseRepresentation
bin1101011001110…
…00110001010001
321211120001012001
412230320301101
5212240231121
615053434001
72533432504
oct654706121
9254501161
10112430161
1158511498
123179b901
131a3a652c
1410d0913b
159d0c991
hex6b38c51

112430161 has 4 divisors (see below), whose sum is σ = 115468852. Its totient is φ = 109391472.

The previous prime is 112430117. The next prime is 112430167. The reversal of 112430161 is 161034211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45697600 + 66732561 = 6760^2 + 8169^2 .

It is a cyclic number.

It is not a de Polignac number, because 112430161 - 215 = 112397393 is a prime.

It is a super-2 number, since 2×1124301612 = 25281082204971842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112430167) 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 3 ways as a sum of consecutive naturals, for example, 1519290 + ... + 1519363.

It is an arithmetic number, because the mean of its divisors is an integer number (28867213).

Almost surely, 2112430161 is an apocalyptic number.

It is an amenable number.

112430161 is a deficient number, since it is larger than the sum of its proper divisors (3038691).

112430161 is an equidigital number, since it uses as much as digits as its factorization.

112430161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038690.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 112430161 is about 10603.3089646582. The cubic root of 112430161 is about 482.6447770865.

Adding to 112430161 its reverse (161034211), we get a palindrome (273464372).

The spelling of 112430161 in words is "one hundred twelve million, four hundred thirty thousand, one hundred sixty-one".

Divisors: 1 37 3038653 112430161