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240485825 = 5217565849
BaseRepresentation
bin11100101010110…
…00010111000001
3121202111221112102
432111120113001
5443031021300
635510240145
75650044566
oct1625302701
9552457472
10240485825
11113825618
1268656055
133aa91008
1423d2086d
15161a50d5
hexe5585c1

240485825 has 12 divisors (see below), whose sum is σ = 315744300. Its totient is φ = 181071360.

The previous prime is 240485821. The next prime is 240485837. The reversal of 240485825 is 528584042.

It can be written as a sum of positive squares in 6 ways, for example, as 824464 + 239661361 = 908^2 + 15481^2 .

It is not a de Polignac number, because 240485825 - 22 = 240485821 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240485821) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 282500 + ... + 283349.

It is an arithmetic number, because the mean of its divisors is an integer number (26312025).

Almost surely, 2240485825 is an apocalyptic number.

240485825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240485825 is a deficient number, since it is larger than the sum of its proper divisors (75258475).

240485825 is a wasteful number, since it uses less digits than its factorization.

240485825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565876 (or 565871 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 240485825 is about 15507.6053921939. The cubic root of 240485825 is about 621.8655439081.

The spelling of 240485825 in words is "two hundred forty million, four hundred eighty-five thousand, eight hundred twenty-five".

Divisors: 1 5 17 25 85 425 565849 2829245 9619433 14146225 48097165 240485825