Base | Representation |
---|---|
bin | 111011000110… |
… | …0110001000110 |
3 | 2011022012211012 |
4 | 1312030301012 |
5 | 30413012121 |
6 | 3024042222 |
7 | 524241053 |
oct | 166146106 |
9 | 64265735 |
10 | 30985286 |
11 | 16543782 |
12 | a463372 |
13 | 655b5b7 |
14 | 418802a |
15 | 2ac0c5b |
hex | 1d8cc46 |
30985286 has 8 divisors (see below), whose sum is σ = 46510464. Its totient is φ = 15481800.
The previous prime is 30985277. The next prime is 30985313. The reversal of 30985286 is 68258903.
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, 1190 + ... + 7961.
It is an arithmetic number, because the mean of its divisors is an integer number (5813808).
Almost surely, 230985286 is an apocalyptic number.
30985286 is a deficient number, since it is larger than the sum of its proper divisors (15525178).
30985286 is a wasteful number, since it uses less digits than its factorization.
30985286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10846.
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 30985286 is about 5566.4428497920. The cubic root of 30985286 is about 314.0883560027.
The spelling of 30985286 in words is "thirty million, nine hundred eighty-five thousand, two hundred eighty-six".
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