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112021025 = 524480841
BaseRepresentation
bin1101010110101…
…00111000100001
321210210020221212
412223110320201
5212134133100
615040555505
72530106624
oct653247041
9253706855
10112021025
1158262066
1231622b95
131a29223c
1410c3ddbb
159c7b635
hex6ad4e21

112021025 has 6 divisors (see below), whose sum is σ = 138906102. Its totient is φ = 89616800.

The previous prime is 112021003. The next prime is 112021027. The reversal of 112021025 is 520120211.

It can be written as a sum of positive squares in 3 ways, for example, as 4048144 + 107972881 = 2012^2 + 10391^2 .

It is not a de Polignac number, because 112021025 - 222 = 107826721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112021027) 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 5 ways as a sum of consecutive naturals, for example, 2240396 + ... + 2240445.

It is an arithmetic number, because the mean of its divisors is an integer number (23151017).

Almost surely, 2112021025 is an apocalyptic number.

It is an amenable number.

112021025 is a deficient number, since it is larger than the sum of its proper divisors (26885077).

112021025 is an equidigital number, since it uses as much as digits as its factorization.

112021025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480851 (or 4480846 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 112021025 is about 10583.9985355252. The cubic root of 112021025 is about 482.0586135913.

Adding to 112021025 its reverse (520120211), we get a palindrome (632141236).

The spelling of 112021025 in words is "one hundred twelve million, twenty-one thousand, twenty-five".

Divisors: 1 5 25 4480841 22404205 112021025