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2745925 = 527131771
BaseRepresentation
bin1010011110011001000101
312011111200221
422132121011
51200332200
6134504341
732224420
oct12363105
95144627
102745925
111606066
12b050b1
13751b10
145169b7
1539391a
hex29e645

2745925 has 48 divisors (see below), whose sum is σ = 4499712. Its totient is φ = 1612800.

The previous prime is 2745913. The next prime is 2745929. The reversal of 2745925 is 5295472.

2745925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2745925 - 27 = 2745797 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745929) 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 47 ways as a sum of consecutive naturals, for example, 38640 + ... + 38710.

It is an arithmetic number, because the mean of its divisors is an integer number (93744).

22745925 is an apocalyptic number.

2745925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2745925 is a deficient number, since it is larger than the sum of its proper divisors (1753787).

2745925 is a wasteful number, since it uses less digits than its factorization.

2745925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 113 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 2745925 is about 1657.0832809488. The cubic root of 2745925 is about 140.0327304426.

The spelling of 2745925 in words is "two million, seven hundred forty-five thousand, nine hundred twenty-five".

Divisors: 1 5 7 13 17 25 35 65 71 85 91 119 175 221 325 355 425 455 497 595 923 1105 1207 1547 1775 2275 2485 2975 4615 5525 6035 6461 7735 8449 12425 15691 23075 30175 32305 38675 42245 78455 109837 161525 211225 392275 549185 2745925