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5021145 = 325111581
BaseRepresentation
bin10011001001110111011001
3100110002201100
4103021313121
52241134040
6255342013
760451623
oct23116731
910402640
105021145
11291a508
121821909
13106a5bc
14949c13
15692b30
hex4c9dd9

5021145 has 12 divisors (see below), whose sum is σ = 8703396. Its totient is φ = 2677920.

The previous prime is 5021143. The next prime is 5021173. The reversal of 5021145 is 5411205.

It can be written as a sum of positive squares in 2 ways, for example, as 3956121 + 1065024 = 1989^2 + 1032^2 .

It is not a de Polignac number, because 5021145 - 21 = 5021143 is a prime.

It is a super-2 number, since 2×50211452 = 50423794222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5021143) 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 11 ways as a sum of consecutive naturals, for example, 55746 + ... + 55835.

It is an arithmetic number, because the mean of its divisors is an integer number (725283).

Almost surely, 25021145 is an apocalyptic number.

It is an amenable number.

5021145 is a deficient number, since it is larger than the sum of its proper divisors (3682251).

5021145 is a wasteful number, since it uses less digits than its factorization.

5021145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111592 (or 111589 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 5021145 is about 2240.7911549272. The cubic root of 5021145 is about 171.2383052735.

The spelling of 5021145 in words is "five million, twenty-one thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 111581 334743 557905 1004229 1673715 5021145