Base | Representation |
---|---|
bin | 10010010011111… |
… | …111011100010000 |
3 | 210102002220222200 |
4 | 102103333130100 |
5 | 1112122333410 |
6 | 50253003200 |
7 | 10420262454 |
oct | 2223773420 |
9 | 712086880 |
10 | 307230480 |
11 | 148472897 |
12 | 86a83500 |
13 | 4b85cbab |
14 | 2cb36664 |
15 | 1be8b3c0 |
hex | 124ff710 |
307230480 has 60 divisors (see below), whose sum is σ = 1031784780. Its totient is φ = 81927936.
The previous prime is 307230479. The next prime is 307230487. The reversal of 307230480 is 84032703.
It can be written as a sum of positive squares in 2 ways, for example, as 208744704 + 98485776 = 14448^2 + 9924^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is not an unprimeable number, because it can be changed into a prime (307230487) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212635 + ... + 214074.
It is an arithmetic number, because the mean of its divisors is an integer number (17196413).
Almost surely, 2307230480 is an apocalyptic number.
307230480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
307230480 is an abundant number, since it is smaller than the sum of its proper divisors (724554300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
307230480 is a wasteful number, since it uses less digits than its factorization.
307230480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 426728 (or 426719 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 307230480 is about 17527.9913281585. The cubic root of 307230480 is about 674.7684473260.
The spelling of 307230480 in words is "three hundred seven million, two hundred thirty thousand, four hundred eighty".
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