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53026445 = 510605289
BaseRepresentation
bin1100101001000…
…1111010001101
310200210000121102
43022101322031
5102033321240
65132312445
71212501023
oct312217215
9120700542
1053026445
1127a2860a
1215912725
13aca7ac4
147084713
1549c6815
hex3291e8d

53026445 has 4 divisors (see below), whose sum is σ = 63631740. Its totient is φ = 42421152.

The previous prime is 53026411. The next prime is 53026469. The reversal of 53026445 is 54462035.

53026445 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: 54462035 = 510892407.

It can be written as a sum of positive squares in 2 ways, for example, as 22401289 + 30625156 = 4733^2 + 5534^2 .

It is a cyclic number.

It is not a de Polignac number, because 53026445 - 26 = 53026381 is a prime.

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, 5302640 + ... + 5302649.

It is an arithmetic number, because the mean of its divisors is an integer number (15907935).

Almost surely, 253026445 is an apocalyptic number.

It is an amenable number.

53026445 is a deficient number, since it is larger than the sum of its proper divisors (10605295).

53026445 is a wasteful number, since it uses less digits than its factorization.

53026445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10605294.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 53026445 is about 7281.9259128338. The cubic root of 53026445 is about 375.6910398623.

The spelling of 53026445 in words is "fifty-three million, twenty-six thousand, four hundred forty-five".

Divisors: 1 5 10605289 53026445