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5131803 = 31710601
BaseRepresentation
bin10011100100111000011011
3100122201111210
4103210320123
52303204203
6301554203
761422345
oct23447033
910581453
105131803
112995666
121875963
1310a8a91
14978295
156b5803
hex4e4e1b

5131803 has 4 divisors (see below), whose sum is σ = 6842408. Its totient is φ = 3421200.

The previous prime is 5131801. The next prime is 5131813. The reversal of 5131803 is 3081315.

It is a happy number.

5131803 is digitally balanced in base 4, 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 is not a de Polignac number, because 5131803 - 21 = 5131801 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5131803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131801) 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, 855298 + ... + 855303.

It is an arithmetic number, because the mean of its divisors is an integer number (1710602).

Almost surely, 25131803 is an apocalyptic number.

5131803 is a deficient number, since it is larger than the sum of its proper divisors (1710605).

5131803 is a wasteful number, since it uses less digits than its factorization.

5131803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710604.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 5131803 is about 2265.3483175883. The cubic root of 5131803 is about 172.4871151897.

The spelling of 5131803 in words is "five million, one hundred thirty-one thousand, eight hundred three".

Divisors: 1 3 1710601 5131803