Base | Representation |
---|---|
bin | 111010011110… |
… | …0000010011100 |
3 | 2010200102020022 |
4 | 1310330002130 |
5 | 30321421440 |
6 | 3013011312 |
7 | 521363033 |
oct | 164740234 |
9 | 63612208 |
10 | 30654620 |
11 | 163382a7 |
12 | a323b38 |
13 | 6473c39 |
14 | 40dd71a |
15 | 2a57cb5 |
hex | 1d3c09c |
30654620 has 12 divisors (see below), whose sum is σ = 64374744. Its totient is φ = 12261840.
The previous prime is 30654601. The next prime is 30654641. The reversal of 30654620 is 2645603.
It is a self number, because there is not a number n which added to its sum of digits gives 30654620.
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, 766346 + ... + 766385.
It is an arithmetic number, because the mean of its divisors is an integer number (5364562).
Almost surely, 230654620 is an apocalyptic number.
It is an amenable number.
30654620 is an abundant number, since it is smaller than the sum of its proper divisors (33720124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30654620 is a wasteful number, since it uses less digits than its factorization.
30654620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1532740 (or 1532738 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 26.
The square root of 30654620 is about 5536.6614489239. The cubic root of 30654620 is about 312.9670711547.
The spelling of 30654620 in words is "thirty million, six hundred fifty-four thousand, six hundred twenty".
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