Base | Representation |
---|---|
bin | 1111100010011… |
… | …11000110101101 |
3 | 100002021100001212 |
4 | 13301033012231 |
5 | 231332104222 |
6 | 20533444205 |
7 | 3141635453 |
oct | 761170655 |
9 | 302240055 |
10 | 130347437 |
11 | 67639a60 |
12 | 377a0665 |
13 | 2100a97c |
14 | 134509d3 |
15 | b69b6e2 |
hex | 7c4f1ad |
130347437 has 4 divisors (see below), whose sum is σ = 142197216. Its totient is φ = 118497660.
The previous prime is 130347419. The next prime is 130347439. The reversal of 130347437 is 734743031.
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, and also an emirpimes, since its reverse is a distinct semiprime: 734743031 = 11 ⋅66794821.
It is a cyclic number.
It is not a de Polignac number, because 130347437 - 28 = 130347181 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 (130347439) 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, 5924873 + ... + 5924894.
It is an arithmetic number, because the mean of its divisors is an integer number (35549304).
Almost surely, 2130347437 is an apocalyptic number.
It is an amenable number.
130347437 is a deficient number, since it is larger than the sum of its proper divisors (11849779).
130347437 is a wasteful number, since it uses less digits than its factorization.
130347437 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11849778.
The product of its (nonzero) digits is 21168, while the sum is 32.
The square root of 130347437 is about 11416.9802049404. The cubic root of 130347437 is about 507.0305941362.
The spelling of 130347437 in words is "one hundred thirty million, three hundred forty-seven thousand, four hundred thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •