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112575021 = 31353107509
BaseRepresentation
bin1101011010111…
…00001000101101
321211211101220020
412231130020231
5212304400041
615100512353
72534605026
oct655341055
9254741806
10112575021
1158600309
123184b6b9
131a427450
1410d45c4d
159d3a866
hex6b5c22d

112575021 has 32 divisors (see below), whose sum is σ = 166561920. Its totient is φ = 67202304.

The previous prime is 112574963. The next prime is 112575049. The reversal of 112575021 is 120575211.

It is not a de Polignac number, because 112575021 - 27 = 112574893 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112574982 and 112575000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112575521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220915 + ... + 221423.

It is an arithmetic number, because the mean of its divisors is an integer number (5205060).

Almost surely, 2112575021 is an apocalyptic number.

It is an amenable number.

112575021 is a deficient number, since it is larger than the sum of its proper divisors (53986899).

112575021 is a wasteful number, since it uses less digits than its factorization.

112575021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 112575021 is about 10610.1376522645. The cubic root of 112575021 is about 482.8519750948.

The spelling of 112575021 in words is "one hundred twelve million, five hundred seventy-five thousand, twenty-one".

Divisors: 1 3 13 39 53 107 159 321 509 689 1391 1527 2067 4173 5671 6617 17013 19851 26977 54463 73723 80931 163389 221169 350701 708019 1052103 2124057 2886539 8659617 37525007 112575021