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5130145 = 51026029
BaseRepresentation
bin10011100100011110100001
3100122122020101
4103210132201
52303131040
6301542401
761414456
oct23443641
910578211
105130145
112994399
121874a01
1310a80b7
1497782d
156b509a
hex4e47a1

5130145 has 4 divisors (see below), whose sum is σ = 6156180. Its totient is φ = 4104112.

The previous prime is 5130143. The next prime is 5130157. The reversal of 5130145 is 5410315.

5130145 = T1430 + T1431 + ... + T1434.

5130145 is digitally balanced in base 3, 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 3775249 + 1354896 = 1943^2 + 1164^2 .

It is a cyclic number.

It is not a de Polignac number, because 5130145 - 21 = 5130143 is a prime.

It is a super-3 number, since 3×51301453 (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5130143) 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 3 ways as a sum of consecutive naturals, for example, 513010 + ... + 513019.

It is an arithmetic number, because the mean of its divisors is an integer number (1539045).

Almost surely, 25130145 is an apocalyptic number.

It is an amenable number.

5130145 is a deficient number, since it is larger than the sum of its proper divisors (1026035).

5130145 is a wasteful number, since it uses less digits than its factorization.

5130145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026034.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 5130145 is about 2264.9823398870. The cubic root of 5130145 is about 172.4685372850.

The spelling of 5130145 in words is "five million, one hundred thirty thousand, one hundred forty-five".

Divisors: 1 5 1026029 5130145