Base | Representation |
---|---|
bin | 111001010010… |
… | …1110100100010 |
3 | 2002112011012210 |
4 | 1302211310202 |
5 | 30142224310 |
6 | 2551502550 |
7 | 513221136 |
oct | 162456442 |
9 | 62464183 |
10 | 30039330 |
11 | 15a57aa2 |
12 | a087a56 |
13 | 62b9b69 |
14 | 3dbd3c6 |
15 | 2985820 |
hex | 1ca5d22 |
30039330 has 16 divisors (see below), whose sum is σ = 72094464. Its totient is φ = 8010480.
The previous prime is 30039313. The next prime is 30039337. The reversal of 30039330 is 3393003.
It is a super-2 number, since 2×300393302 = 1804722693697800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30039297 and 30039306.
It is not an unprimeable number, because it can be changed into a prime (30039337) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500626 + ... + 500685.
It is an arithmetic number, because the mean of its divisors is an integer number (4505904).
Almost surely, 230039330 is an apocalyptic number.
30039330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30039330 is an abundant number, since it is smaller than the sum of its proper divisors (42055134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30039330 is a wasteful number, since it uses less digits than its factorization.
30039330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1001321.
The product of its (nonzero) digits is 729, while the sum is 21.
The square root of 30039330 is about 5480.8147204590. The cubic root of 30039330 is about 310.8589773606.
The spelling of 30039330 in words is "thirty million, thirty-nine thousand, three hundred thirty".
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