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112442401 = 138181421
BaseRepresentation
bin1101011001110…
…11110000100001
321211120122222101
412230323300201
5212241124101
615054010401
72533513261
oct654736041
9254518871
10112442401
115851a705
12317a6a01
131a3abc86
1410d0d7a1
159d11401
hex6b3bc21

112442401 has 4 divisors (see below), whose sum is σ = 112525204. Its totient is φ = 112359600.

The previous prime is 112442389. The next prime is 112442413. The reversal of 112442401 is 104244211.

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

It is an interprime number because it is at equal distance from previous prime (112442389) and next prime (112442413).

It can be written as a sum of positive squares in 2 ways, for example, as 89870400 + 22572001 = 9480^2 + 4751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112442401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112442461) 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, 39330 + ... + 42091.

It is an arithmetic number, because the mean of its divisors is an integer number (28131301).

Almost surely, 2112442401 is an apocalyptic number.

It is an amenable number.

112442401 is a deficient number, since it is larger than the sum of its proper divisors (82803).

112442401 is an equidigital number, since it uses as much as digits as its factorization.

112442401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82802.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 112442401 is about 10603.8861272649. The cubic root of 112442401 is about 482.6622912412.

Adding to 112442401 its reverse (104244211), we get a palindrome (216686612).

The spelling of 112442401 in words is "one hundred twelve million, four hundred forty-two thousand, four hundred one".

Divisors: 1 1381 81421 112442401