Base | Representation |
---|---|
bin | 10011101010110100100011 |
3 | 100200221212211 |
4 | 103222310203 |
5 | 2304444011 |
6 | 302302551 |
7 | 61553311 |
oct | 23526443 |
9 | 10627784 |
10 | 5156131 |
11 | 2a01972 |
12 | 1887a57 |
13 | 10b6b86 |
14 | 9830b1 |
15 | 6bcb21 |
hex | 4ead23 |
5156131 has 4 divisors (see below), whose sum is σ = 5162832. Its totient is φ = 5149432.
The previous prime is 5156111. The next prime is 5156141. The reversal of 5156131 is 1316515.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1316515 = 5 ⋅263303.
It is a cyclic number.
It is not a de Polignac number, because 5156131 - 213 = 5147939 is a prime.
It is a super-2 number, since 2×51561312 = 53171373778322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5156101) 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, 2020 + ... + 3793.
It is an arithmetic number, because the mean of its divisors is an integer number (1290708).
Almost surely, 25156131 is an apocalyptic number.
5156131 is a deficient number, since it is larger than the sum of its proper divisors (6701).
5156131 is an equidigital number, since it uses as much as digits as its factorization.
5156131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6700.
The product of its digits is 450, while the sum is 22.
The square root of 5156131 is about 2270.7115624843. The cubic root of 5156131 is about 172.7592517051.
The spelling of 5156131 in words is "five million, one hundred fifty-six thousand, one hundred thirty-one".
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