Base | Representation |
---|---|
bin | 111001111001… |
… | …1111001100100 |
3 | 2010010101220121 |
4 | 1303303321210 |
5 | 30232443030 |
6 | 3002411324 |
7 | 516022420 |
oct | 163637144 |
9 | 63111817 |
10 | 30359140 |
11 | 161562a9 |
12 | a200b44 |
13 | 639c5b6 |
14 | 4063b80 |
15 | 29ea47a |
hex | 1cf3e64 |
30359140 has 24 divisors (see below), whose sum is σ = 72862272. Its totient is φ = 10408800.
The previous prime is 30359111. The next prime is 30359171. The reversal of 30359140 is 4195303.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108286 + ... + 108565.
It is an arithmetic number, because the mean of its divisors is an integer number (3035928).
Almost surely, 230359140 is an apocalyptic number.
It is an amenable number.
30359140 is an abundant number, since it is smaller than the sum of its proper divisors (42503132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30359140 is a wasteful number, since it uses less digits than its factorization.
30359140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216867 (or 216865 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 25.
The square root of 30359140 is about 5509.9128849738. The cubic root of 30359140 is about 311.9582592637.
The spelling of 30359140 in words is "thirty million, three hundred fifty-nine thousand, one hundred forty".
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