Base | Representation |
---|---|
bin | 111001100000… |
… | …1110011001010 |
3 | 2002201222102020 |
4 | 1303001303022 |
5 | 30204411210 |
6 | 2554145310 |
7 | 514206222 |
oct | 163016312 |
9 | 62658366 |
10 | 30153930 |
11 | 16026104 |
12 | a122236 |
13 | 632a081 |
14 | 400d082 |
15 | 29a9770 |
hex | 1cc1cca |
30153930 has 16 divisors (see below), whose sum is σ = 72369504. Its totient is φ = 8041040.
The previous prime is 30153923. The next prime is 30153941. The reversal of 30153930 is 3935103.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30153930.
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, 502536 + ... + 502595.
It is an arithmetic number, because the mean of its divisors is an integer number (4523094).
Almost surely, 230153930 is an apocalyptic number.
30153930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30153930 is an abundant number, since it is smaller than the sum of its proper divisors (42215574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30153930 is a wasteful number, since it uses less digits than its factorization.
30153930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1005141.
The product of its (nonzero) digits is 1215, while the sum is 24.
The square root of 30153930 is about 5491.2594183848. The cubic root of 30153930 is about 311.2537845704.
The spelling of 30153930 in words is "thirty million, one hundred fifty-three thousand, nine hundred thirty".
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