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53012045 = 510602409
BaseRepresentation
bin1100101000111…
…0011001001101
310200202021212002
43022032121031
5102032341140
65132122045
71212411032
oct312163115
9120667762
1053012045
1127a18809
1215906325
13aca1398
14707d389
1549c2415
hex328e64d

53012045 has 4 divisors (see below), whose sum is σ = 63614460. Its totient is φ = 42409632.

The previous prime is 53012039. The next prime is 53012051. The reversal of 53012045 is 54021035.

53012045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54021035 = 510804207.

It is an interprime number because it is at equal distance from previous prime (53012039) and next prime (53012051).

It can be written as a sum of positive squares in 2 ways, for example, as 33200644 + 19811401 = 5762^2 + 4451^2 .

It is a cyclic number.

It is not a de Polignac number, because 53012045 - 28 = 53011789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5301200 + ... + 5301209.

It is an arithmetic number, because the mean of its divisors is an integer number (15903615).

Almost surely, 253012045 is an apocalyptic number.

It is an amenable number.

53012045 is a deficient number, since it is larger than the sum of its proper divisors (10602415).

53012045 is a wasteful number, since it uses less digits than its factorization.

53012045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10602414.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 53012045 is about 7280.9370962809. The cubic root of 53012045 is about 375.6570289032.

The spelling of 53012045 in words is "fifty-three million, twelve thousand, forty-five".

Divisors: 1 5 10602409 53012045