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2006125 = 53111459
BaseRepresentation
bin111101001110001101101
310202220212221
413221301231
51003144000
6110555341
723023522
oct7516155
93686787
102006125
111150260
12808b51
13553174
143a3149
1529961a
hex1e9c6d

2006125 has 16 divisors (see below), whose sum is σ = 2733120. Its totient is φ = 1458000.

The previous prime is 2006111. The next prime is 2006141. The reversal of 2006125 is 5216002.

It is a happy number.

It is not a de Polignac number, because 2006125 - 25 = 2006093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2006099 and 2006108.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 646 + ... + 2104.

It is an arithmetic number, because the mean of its divisors is an integer number (170820).

22006125 is an apocalyptic number.

2006125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2006125 is a deficient number, since it is larger than the sum of its proper divisors (726995).

2006125 is a wasteful number, since it uses less digits than its factorization.

2006125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2006125 is about 1416.3774214523. The cubic root of 2006125 is about 126.1205908565.

The spelling of 2006125 in words is "two million, six thousand, one hundred twenty-five".

Divisors: 1 5 11 25 55 125 275 1375 1459 7295 16049 36475 80245 182375 401225 2006125