Base | Representation |
---|---|
bin | 111010101011… |
… | …1000011100110 |
3 | 2010220001001001 |
4 | 1311113003212 |
5 | 30333442121 |
6 | 3015223514 |
7 | 522333466 |
oct | 165270346 |
9 | 63801031 |
10 | 30765286 |
11 | 16403462 |
12 | a377b9a |
13 | 64b2416 |
14 | 412bba6 |
15 | 2a7a991 |
hex | 1d570e6 |
30765286 has 8 divisors (see below), whose sum is σ = 46732320. Its totient is φ = 15187848.
The previous prime is 30765263. The next prime is 30765311. The reversal of 30765286 is 68256703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97201 + ... + 97516.
It is an arithmetic number, because the mean of its divisors is an integer number (5841540).
Almost surely, 230765286 is an apocalyptic number.
30765286 is a deficient number, since it is larger than the sum of its proper divisors (15967034).
30765286 is a wasteful number, since it uses less digits than its factorization.
30765286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194798.
The product of its (nonzero) digits is 60480, while the sum is 37.
The square root of 30765286 is about 5546.6463741616. The cubic root of 30765286 is about 313.3432321705.
The spelling of 30765286 in words is "thirty million, seven hundred sixty-five thousand, two hundred eighty-six".
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