Base | Representation |
---|---|
bin | 111001101110… |
… | …1110101011001 |
3 | 2002221210221020 |
4 | 1303131311121 |
5 | 30222100021 |
6 | 3000433053 |
7 | 515165055 |
oct | 163356531 |
9 | 62853836 |
10 | 30268761 |
11 | 160a4406 |
12 | a178789 |
13 | 636a413 |
14 | 403cc65 |
15 | 29cd7c6 |
hex | 1cddd59 |
30268761 has 8 divisors (see below), whose sum is σ = 40383840. Its totient is φ = 20166432.
The previous prime is 30268757. The next prime is 30268781. The reversal of 30268761 is 16786203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30268761 - 22 = 30268757 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30268751) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7101 + ... + 10533.
It is an arithmetic number, because the mean of its divisors is an integer number (5047980).
Almost surely, 230268761 is an apocalyptic number.
It is an amenable number.
30268761 is a deficient number, since it is larger than the sum of its proper divisors (10115079).
30268761 is a wasteful number, since it uses less digits than its factorization.
30268761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6375.
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 30268761 is about 5501.7052810924. The cubic root of 30268761 is about 311.6483855305.
The spelling of 30268761 in words is "thirty million, two hundred sixty-eight thousand, seven hundred sixty-one".
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