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1205000325 = 325219327749
BaseRepresentation
bin100011111010010…
…1101100010000101
310002222102100200200
41013310231202011
54431440002300
6315323201113
741601222324
oct10764554205
93088370620
101205000325
11569211641
12297676199
13162855459
14b60720bb
1570bc7200
hex47d2d885

1205000325 has 36 divisors (see below), whose sum is σ = 2169550500. Its totient is φ = 639313920.

The previous prime is 1205000323. The next prime is 1205000339. The reversal of 1205000325 is 5230005021.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 182088036 + 1022912289 = 13494^2 + 31983^2 .

It is not a de Polignac number, because 1205000325 - 21 = 1205000323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1205000298 and 1205000307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205000323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29551 + ... + 57299.

Almost surely, 21205000325 is an apocalyptic number.

1205000325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1205000325 is a deficient number, since it is larger than the sum of its proper divisors (964550175).

1205000325 is a wasteful number, since it uses less digits than its factorization.

1205000325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27958 (or 27950 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1205000325 is about 34713.1145966478. The cubic root of 1205000325 is about 1064.1325343814.

Adding to 1205000325 its reverse (5230005021), we get a palindrome (6435005346).

The spelling of 1205000325 in words is "one billion, two hundred five million, three hundred twenty-five", and thus it is an aban number.

Divisors: 1 3 5 9 15 25 45 75 193 225 579 965 1737 2895 4825 8685 14475 27749 43425 83247 138745 249741 416235 693725 1248705 2081175 5355557 6243525 16066671 26777785 48200013 80333355 133888925 241000065 401666775 1205000325