Base | Representation |
---|---|
bin | 111001100111… |
… | …1100100100100 |
3 | 2002211211210111 |
4 | 1303033210210 |
5 | 30213212330 |
6 | 2555302404 |
7 | 514532536 |
oct | 163174444 |
9 | 62754714 |
10 | 30210340 |
11 | 16064526 |
12 | a14aa04 |
13 | 6349954 |
14 | 4025856 |
15 | 29bb32a |
hex | 1ccf924 |
30210340 has 24 divisors (see below), whose sum is σ = 64209600. Its totient is φ = 11937888.
The previous prime is 30210329. The next prime is 30210353. The reversal of 30210340 is 4301203.
It is a self number, because there is not a number n which added to its sum of digits gives 30210340.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7440 + ... + 10759.
It is an arithmetic number, because the mean of its divisors is an integer number (2675400).
Almost surely, 230210340 is an apocalyptic number.
It is an amenable number.
30210340 is an abundant number, since it is smaller than the sum of its proper divisors (33999260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30210340 is a wasteful number, since it uses less digits than its factorization.
30210340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18291 (or 18289 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 30210340 is about 5496.3933629245. The cubic root of 30210340 is about 311.4477547391.
Adding to 30210340 its reverse (4301203), we get a palindrome (34511543).
The spelling of 30210340 in words is "thirty million, two hundred ten thousand, three hundred forty".
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