Base | Representation |
---|---|
bin | 111010000100… |
… | …0011001001110 |
3 | 2010021200001201 |
4 | 1310020121032 |
5 | 30243134321 |
6 | 3004300114 |
7 | 516522232 |
oct | 164103116 |
9 | 63250051 |
10 | 30443086 |
11 | 16203383 |
12 | a24163a |
13 | 63cb87b |
14 | 40865c2 |
15 | 2a15291 |
hex | 1d0864e |
30443086 has 4 divisors (see below), whose sum is σ = 45664632. Its totient is φ = 15221542.
The previous prime is 30443051. The next prime is 30443089. The reversal of 30443086 is 68034403.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30443089) by changing a digit.
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 as a sum of consecutive naturals, namely, 7610770 + ... + 7610773.
It is an arithmetic number, because the mean of its divisors is an integer number (11416158).
Almost surely, 230443086 is an apocalyptic number.
30443086 is a deficient number, since it is larger than the sum of its proper divisors (15221546).
30443086 is a wasteful number, since it uses less digits than its factorization.
30443086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15221545.
The product of its (nonzero) digits is 6912, while the sum is 28.
The square root of 30443086 is about 5517.5253510972. The cubic root of 30443086 is about 312.2455263811.
Adding to 30443086 its reverse (68034403), we get a palindrome (98477489).
The spelling of 30443086 in words is "thirty million, four hundred forty-three thousand, eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.024 sec. • engine limits •