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2428725 = 352134753
BaseRepresentation
bin1001010000111100110101
311120101120210
421100330311
51110204400
6124020033
726433555
oct11207465
94511523
102428725
111409812
12991619
13670620
14473165
1532e950
hex250f35

2428725 has 48 divisors (see below), whose sum is σ = 4499712. Its totient is φ = 1148160.

The previous prime is 2428711. The next prime is 2428729. The reversal of 2428725 is 5278242.

2428725 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 2428725 - 26 = 2428661 is a prime.

It is a Curzon number.

2428725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2428692 and 2428701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428729) 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, 45799 + ... + 45851.

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

22428725 is an apocalyptic number.

2428725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2428725 is a deficient number, since it is larger than the sum of its proper divisors (2070987).

2428725 is a wasteful number, since it uses less digits than its factorization.

2428725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 121 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 2428725 is about 1558.4367167133. The cubic root of 2428725 is about 134.4186247396.

The spelling of 2428725 in words is "two million, four hundred twenty-eight thousand, seven hundred twenty-five".

Divisors: 1 3 5 13 15 25 39 47 53 65 75 141 159 195 235 265 325 611 689 705 795 975 1175 1325 1833 2067 2491 3055 3445 3525 3975 7473 9165 10335 12455 15275 17225 32383 37365 45825 51675 62275 97149 161915 186825 485745 809575 2428725