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112016421 = 32111131479
BaseRepresentation
bin1101010110100…
…11110000100101
321210210000122100
412223103300211
5212134011141
615040522313
72530060326
oct653236045
9253700570
10112016421
1158259660
1231620399
131a29010a
1410c3c44d
159c7a0b6
hex6ad3c25

112016421 has 12 divisors (see below), whose sum is σ = 176510880. Its totient is φ = 67888680.

The previous prime is 112016363. The next prime is 112016449. The reversal of 112016421 is 124610211.

112016421 is a `hidden beast` number, since 1 + 1 + 20 + 1 + 642 + 1 = 666.

It is not a de Polignac number, because 112016421 - 27 = 112016293 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112016394 and 112016403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112016491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565641 + ... + 565838.

It is an arithmetic number, because the mean of its divisors is an integer number (14709240).

Almost surely, 2112016421 is an apocalyptic number.

112016421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112016421 is a deficient number, since it is larger than the sum of its proper divisors (64494459).

112016421 is a wasteful number, since it uses less digits than its factorization.

112016421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131496 (or 1131493 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 112016421 is about 10583.7810351500. The cubic root of 112016421 is about 482.0520093899.

Adding to 112016421 its reverse (124610211), we get a palindrome (236626632).

The spelling of 112016421 in words is "one hundred twelve million, sixteen thousand, four hundred twenty-one".

Divisors: 1 3 9 11 33 99 1131479 3394437 10183311 12446269 37338807 112016421