Base | Representation |
---|---|
bin | 10010010101101… |
… | …000011110111010 |
3 | 210102220210011212 |
4 | 102111220132322 |
5 | 1112230120410 |
6 | 50310123122 |
7 | 10424034026 |
oct | 2225503672 |
9 | 712823155 |
10 | 307660730 |
11 | 148737073 |
12 | 870504a2 |
13 | 4b980990 |
14 | 2cc09386 |
15 | 1c023b05 |
hex | 125687ba |
307660730 has 96 divisors (see below), whose sum is σ = 668424960. Its totient is φ = 101053440.
The previous prime is 307660729. The next prime is 307660733. The reversal of 307660730 is 37066703.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (307660733) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 713615 + ... + 714045.
It is an arithmetic number, because the mean of its divisors is an integer number (6962760).
Almost surely, 2307660730 is an apocalyptic number.
307660730 is an abundant number, since it is smaller than the sum of its proper divisors (360764230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
307660730 is a wasteful number, since it uses less digits than its factorization.
307660730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 504 (or 487 counting only the distinct ones).
The product of its (nonzero) digits is 15876, while the sum is 32.
The square root of 307660730 is about 17540.2602603268. The cubic root of 307660730 is about 675.0832855624.
The spelling of 307660730 in words is "three hundred seven million, six hundred sixty thousand, seven hundred thirty".
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