Base | Representation |
---|---|
bin | 11000111010011010101010 |
3 | 110021210110220 |
4 | 120322122222 |
5 | 3132440410 |
6 | 351550510 |
7 | 106340013 |
oct | 30723252 |
9 | 13253426 |
10 | 6530730 |
11 | 37606a8 |
12 | 222b436 |
13 | 147874b |
14 | c2000a |
15 | 890070 |
hex | 63a6aa |
6530730 has 16 divisors (see below), whose sum is σ = 15673824. Its totient is φ = 1741520.
The previous prime is 6530717. The next prime is 6530753. The reversal of 6530730 is 370356.
It is a self number, because there is not a number n which added to its sum of digits gives 6530730.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108816 + ... + 108875.
It is an arithmetic number, because the mean of its divisors is an integer number (979614).
Almost surely, 26530730 is an apocalyptic number.
6530730 is an abundant number, since it is smaller than the sum of its proper divisors (9143094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6530730 is a wasteful number, since it uses less digits than its factorization.
6530730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217701.
The product of its (nonzero) digits is 1890, while the sum is 24.
The square root of 6530730 is about 2555.5292993820. The cubic root of 6530730 is about 186.9191983167.
It can be divided in two parts, 65307 and 30, that multiplied together give a triangular number (1959210 = T1979).
The spelling of 6530730 in words is "six million, five hundred thirty thousand, seven hundred thirty".
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