Base | Representation |
---|---|
bin | 1111100010001… |
… | …00101101111000 |
3 | 100002012011200222 |
4 | 13301010231320 |
5 | 231324224023 |
6 | 20532515212 |
7 | 3141400430 |
oct | 761045570 |
9 | 302164628 |
10 | 130304888 |
11 | 6760aa9a |
12 | 3777bb08 |
13 | 20cc44ac |
14 | 1343d2c0 |
15 | b68dcc8 |
hex | 7c44b78 |
130304888 has 128 divisors (see below), whose sum is σ = 314496000. Its totient is φ = 49351680.
The previous prime is 130304887. The next prime is 130304953. The reversal of 130304888 is 888403031.
Together with 184191111 it forms a betrothed pair.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130304887) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1265045 + ... + 1265147.
It is an arithmetic number, because the mean of its divisors is an integer number (2457000).
Almost surely, 2130304888 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130304888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157248000).
130304888 is an abundant number, since it is smaller than the sum of its proper divisors (184191112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130304888 is a wasteful number, since it uses less digits than its factorization.
130304888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205 (or 201 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 130304888 is about 11415.1166441697. The cubic root of 130304888 is about 506.9754185401.
The spelling of 130304888 in words is "one hundred thirty million, three hundred four thousand, eight hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •