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2066725 = 52192229
BaseRepresentation
bin111111000100100100101
310220000000101
413320210211
51012113400
6112144101
723365303
oct7704445
93800011
102066725
111191841
12838031
1357491b
143bb273
152ac56a
hex1f8925

2066725 has 18 divisors (see below), whose sum is σ = 2716530. Its totient is φ = 1559520.

The previous prime is 2066723. The next prime is 2066759. The reversal of 2066725 is 5276602.

It can be written as a sum of positive squares in 3 ways, for example, as 494209 + 1572516 = 703^2 + 1254^2 .

It is not a de Polignac number, because 2066725 - 21 = 2066723 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2066693 and 2066702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8911 + ... + 9139.

22066725 is an apocalyptic number.

2066725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2066725 is a deficient number, since it is larger than the sum of its proper divisors (649805).

2066725 is a wasteful number, since it uses less digits than its factorization.

2066725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2066725 is about 1437.6108652900. The cubic root of 2066725 is about 127.3779429114.

The spelling of 2066725 in words is "two million, sixty-six thousand, seven hundred twenty-five".

Divisors: 1 5 19 25 95 229 361 475 1145 1805 4351 5725 9025 21755 82669 108775 413345 2066725