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5186131 = 41126491
BaseRepresentation
bin10011110010001001010011
3100202111000221
4103302021103
52311424011
6303053511
762036626
oct23621123
910674027
105186131
112a22465
1218a1297
1310c7722
1498ddbd
156c6971
hex4f2253

5186131 has 4 divisors (see below), whose sum is σ = 5312664. Its totient is φ = 5059600.

The previous prime is 5186123. The next prime is 5186141. The reversal of 5186131 is 1316815.

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 5186131 - 23 = 5186123 is a prime.

It is a super-2 number, since 2×51861312 = 53791909498322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5186096 and 5186105.

It is not an unprimeable number, because it can be changed into a prime (5186141) 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, 63205 + ... + 63286.

It is an arithmetic number, because the mean of its divisors is an integer number (1328166).

Almost surely, 25186131 is an apocalyptic number.

5186131 is a deficient number, since it is larger than the sum of its proper divisors (126533).

5186131 is a wasteful number, since it uses less digits than its factorization.

5186131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126532.

The product of its digits is 720, while the sum is 25.

The square root of 5186131 is about 2277.3078404116. The cubic root of 5186131 is about 173.0936599554.

The spelling of 5186131 in words is "five million, one hundred eighty-six thousand, one hundred thirty-one".

Divisors: 1 41 126491 5186131