Base | Representation |
---|---|
bin | 111010101111… |
… | …1101101111011 |
3 | 2010221211201000 |
4 | 1311133231323 |
5 | 30341111023 |
6 | 3020100043 |
7 | 522542100 |
oct | 165375573 |
9 | 63854630 |
10 | 30800763 |
11 | 16428084 |
12 | a394623 |
13 | 64c5606 |
14 | 413aaa7 |
15 | 2a86243 |
hex | 1d5fb7b |
30800763 has 48 divisors (see below), whose sum is σ = 54865920. Its totient is φ = 17010000.
The previous prime is 30800713. The next prime is 30800779. The reversal of 30800763 is 36700803.
It is a happy number.
It is not a de Polignac number, because 30800763 - 29 = 30800251 is a prime.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (30800713) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40638 + ... + 41388.
It is an arithmetic number, because the mean of its divisors is an integer number (1143040).
Almost surely, 230800763 is an apocalyptic number.
30800763 is a deficient number, since it is larger than the sum of its proper divisors (24065157).
30800763 is a wasteful number, since it uses less digits than its factorization.
30800763 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 805 (or 792 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 30800763 is about 5549.8435113073. The cubic root of 30800763 is about 313.4636298551.
The spelling of 30800763 in words is "thirty million, eight hundred thousand, seven hundred sixty-three".
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