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5045813 = 8236131
BaseRepresentation
bin10011001111111000110101
3100111100112222
4103033320311
52242431223
6300052125
760613553
oct23177065
910440488
105045813
112936aa3
121834045
1310788b6
14954bd3
1569a0c8
hex4cfe35

5045813 has 4 divisors (see below), whose sum is σ = 5052768. Its totient is φ = 5038860.

The previous prime is 5045791. The next prime is 5045827. The reversal of 5045813 is 3185405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5045813 - 210 = 5044789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5045893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243 + ... + 3888.

It is an arithmetic number, because the mean of its divisors is an integer number (1263192).

Almost surely, 25045813 is an apocalyptic number.

It is an amenable number.

5045813 is a deficient number, since it is larger than the sum of its proper divisors (6955).

5045813 is an equidigital number, since it uses as much as digits as its factorization.

5045813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6954.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5045813 is about 2246.2887169730. The cubic root of 5045813 is about 171.5182685025.

The spelling of 5045813 in words is "five million, forty-five thousand, eight hundred thirteen".

Divisors: 1 823 6131 5045813