Base | Representation |
---|---|
bin | 110100010100… |
… | …0110010001110 |
3 | 1220121120221001 |
4 | 1220220302032 |
5 | 24010230110 |
6 | 2415530514 |
7 | 452102635 |
oct | 150506216 |
9 | 56546831 |
10 | 27430030 |
11 | 14535651 |
12 | 9229a3a |
13 | 58b52b4 |
14 | 390051c |
15 | 261c63a |
hex | 1a28c8e |
27430030 has 32 divisors (see below), whose sum is σ = 51840000. Its totient is φ = 10430112.
The previous prime is 27430021. The next prime is 27430043. The reversal of 27430030 is 3003472.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54721 + ... + 55219.
It is an arithmetic number, because the mean of its divisors is an integer number (1620000).
Almost surely, 227430030 is an apocalyptic number.
27430030 is a deficient number, since it is larger than the sum of its proper divisors (24409970).
27430030 is a wasteful number, since it uses less digits than its factorization.
27430030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 768.
The product of its (nonzero) digits is 504, while the sum is 19.
The square root of 27430030 is about 5237.3686141038. The cubic root of 27430030 is about 301.5843220537.
The spelling of 27430030 in words is "twenty-seven million, four hundred thirty thousand, thirty".
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