Base | Representation |
---|---|
bin | 1111100110100… |
… | …10010101010011 |
3 | 100010021122101122 |
4 | 13303102111103 |
5 | 232001304242 |
6 | 20553152455 |
7 | 3146334524 |
oct | 763222523 |
9 | 303248348 |
10 | 130884947 |
11 | 67976886 |
12 | 379bb72b |
13 | 2116851b |
14 | 1355084b |
15 | b755ad2 |
hex | 7cd2553 |
130884947 has 4 divisors (see below), whose sum is σ = 134422416. Its totient is φ = 127347480.
The previous prime is 130884937. The next prime is 130884959. The reversal of 130884947 is 749488031.
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 130884947 - 218 = 130622803 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130884898 and 130884907.
It is not an unprimeable number, because it can be changed into a prime (130884907) 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, 1768679 + ... + 1768752.
It is an arithmetic number, because the mean of its divisors is an integer number (33605604).
Almost surely, 2130884947 is an apocalyptic number.
130884947 is a deficient number, since it is larger than the sum of its proper divisors (3537469).
130884947 is an equidigital number, since it uses as much as digits as its factorization.
130884947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3537468.
The product of its (nonzero) digits is 193536, while the sum is 44.
The square root of 130884947 is about 11440.4959245655. The cubic root of 130884947 is about 507.7265808601.
The spelling of 130884947 in words is "one hundred thirty million, eight hundred eighty-four thousand, nine hundred forty-seven".
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