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52350145 = 510470029
BaseRepresentation
bin1100011110110…
…0110011000001
310122111122220021
43013230303001
5101400201040
65110013441
71203653221
oct307546301
9118448807
1052350145
1127606491
1215647281
13aacc023
146d4a081
1548e124a
hex31eccc1

52350145 has 4 divisors (see below), whose sum is σ = 62820180. Its totient is φ = 41880112.

The previous prime is 52350143. The next prime is 52350197. The reversal of 52350145 is 54105325.

52350145 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.

It can be written as a sum of positive squares in 2 ways, for example, as 20133169 + 32216976 = 4487^2 + 5676^2 .

It is a cyclic number.

It is not a de Polignac number, because 52350145 - 21 = 52350143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52350143) 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 3 ways as a sum of consecutive naturals, for example, 5235010 + ... + 5235019.

It is an arithmetic number, because the mean of its divisors is an integer number (15705045).

Almost surely, 252350145 is an apocalyptic number.

It is an amenable number.

52350145 is a deficient number, since it is larger than the sum of its proper divisors (10470035).

52350145 is a wasteful number, since it uses less digits than its factorization.

52350145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10470034.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 52350145 is about 7235.3400058325. The cubic root of 52350145 is about 374.0870116023.

The spelling of 52350145 in words is "fifty-two million, three hundred fifty thousand, one hundred forty-five".

Divisors: 1 5 10470029 52350145