Search a number
-
+
5315131 = 7174861
BaseRepresentation
bin10100010001101000111011
3101000000222201
4110101220323
52330041011
6305531031
763115003
oct24215073
911000881
105315131
113000378
121943a77
131141363
149c5003
156eecc1
hex511a3b

5315131 has 4 divisors (see below), whose sum is σ = 5390064. Its totient is φ = 5240200.

The previous prime is 5315099. The next prime is 5315143. The reversal of 5315131 is 1315135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5315131 - 25 = 5315099 is a prime.

It is a super-2 number, since 2×53151312 = 56501235094322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5315099 and 5315108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5313131) 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, 37360 + ... + 37501.

It is an arithmetic number, because the mean of its divisors is an integer number (1347516).

Almost surely, 25315131 is an apocalyptic number.

5315131 is a deficient number, since it is larger than the sum of its proper divisors (74933).

5315131 is an equidigital number, since it uses as much as digits as its factorization.

5315131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74932.

The product of its digits is 225, while the sum is 19.

The square root of 5315131 is about 2305.4567877104. The cubic root of 5315131 is about 174.5171013582.

The spelling of 5315131 in words is "five million, three hundred fifteen thousand, one hundred thirty-one".

Divisors: 1 71 74861 5315131