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53005325 = 522120213
BaseRepresentation
bin1100101000110…
…0110000001101
310200201221122012
43022030300031
5102032132300
65132031005
71212352322
oct312146015
9120657565
1053005325
1127a1375a
1215902465
13ac9b2c9
14707ab49
1549c0435
hex328cc0d

53005325 has 6 divisors (see below), whose sum is σ = 65726634. Its totient is φ = 42404240.

The previous prime is 53005321. The next prime is 53005343. The reversal of 53005325 is 52350035.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 94249 + 52911076 = 307^2 + 7274^2 .

It is not a de Polignac number, because 53005325 - 22 = 53005321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53005325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53005321) 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 5 ways as a sum of consecutive naturals, for example, 1060082 + ... + 1060131.

It is an arithmetic number, because the mean of its divisors is an integer number (10954439).

Almost surely, 253005325 is an apocalyptic number.

It is an amenable number.

53005325 is a deficient number, since it is larger than the sum of its proper divisors (12721309).

53005325 is a wasteful number, since it uses less digits than its factorization.

53005325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120223 (or 2120218 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 53005325 is about 7280.4756025963. The cubic root of 53005325 is about 375.6411550144.

The spelling of 53005325 in words is "fifty-three million, five thousand, three hundred twenty-five".

Divisors: 1 5 25 2120213 10601065 53005325