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5125045 = 51025009
BaseRepresentation
bin10011100011001110110101
3100122101020111
4103203032311
52303000140
6301503021
761363552
oct23431665
910571214
105125045
112990582
121871a71
1310a5993
14975a29
156b37ea
hex4e33b5

5125045 has 4 divisors (see below), whose sum is σ = 6150060. Its totient is φ = 4100032.

The previous prime is 5125039. The next prime is 5125049. The reversal of 5125045 is 5405215.

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 790321 + 4334724 = 889^2 + 2082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5125045 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125049) 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, 512500 + ... + 512509.

It is an arithmetic number, because the mean of its divisors is an integer number (1537515).

Almost surely, 25125045 is an apocalyptic number.

It is an amenable number.

5125045 is a deficient number, since it is larger than the sum of its proper divisors (1025015).

5125045 is a wasteful number, since it uses less digits than its factorization.

5125045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025014.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 5125045 is about 2263.8562233499. The cubic root of 5125045 is about 172.4113666348.

The spelling of 5125045 in words is "five million, one hundred twenty-five thousand, forty-five".

Divisors: 1 5 1025009 5125045