Base | Representation |
---|---|
bin | 101011011100101… |
… | …101010111010010 |
3 | 1212210122022002211 |
4 | 223130231113102 |
5 | 2443102234010 |
6 | 200155502334 |
7 | 24030640243 |
oct | 5334552722 |
9 | 1783568084 |
10 | 728946130 |
11 | 344520020 |
12 | 1841579aa |
13 | b8035793 |
14 | 6cb50cca |
15 | 43ede08a |
hex | 2b72d5d2 |
728946130 has 48 divisors (see below), whose sum is σ = 1496444544. Its totient is φ = 253526240.
The previous prime is 728946103. The next prime is 728946143. The reversal of 728946130 is 31649827.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51927 + ... + 64453.
It is an arithmetic number, because the mean of its divisors is an integer number (31175928).
Almost surely, 2728946130 is an apocalyptic number.
728946130 is an abundant number, since it is smaller than the sum of its proper divisors (767498414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
728946130 is a wasteful number, since it uses less digits than its factorization.
728946130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12591 (or 12568 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 728946130 is about 26999.0023889773. The cubic root of 728946130 is about 899.9778307296.
The spelling of 728946130 in words is "seven hundred twenty-eight million, nine hundred forty-six thousand, one hundred thirty".
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