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4052925 = 325218013
BaseRepresentation
bin1111011101011110111101
321121220120100
433131132331
52014143200
6222511313
746310052
oct17353675
97556510
104052925
112319028
121435539
13abb9a6
14777029
15550d00
hex3dd7bd

4052925 has 18 divisors (see below), whose sum is σ = 7259642. Its totient is φ = 2161440.

The previous prime is 4052921. The next prime is 4052927. The reversal of 4052925 is 5292504.

It can be written as a sum of positive squares in 3 ways, for example, as 962361 + 3090564 = 981^2 + 1758^2 .

It is not a de Polignac number, because 4052925 - 22 = 4052921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4052921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8782 + ... + 9231.

Almost surely, 24052925 is an apocalyptic number.

4052925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4052925 is a deficient number, since it is larger than the sum of its proper divisors (3206717).

4052925 is a wasteful number, since it uses less digits than its factorization.

4052925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18029 (or 18021 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4052925 is about 2013.1877706761. The cubic root of 4052925 is about 159.4371499246.

The spelling of 4052925 in words is "four million, fifty-two thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 18013 54039 90065 162117 270195 450325 810585 1350975 4052925