Base | Representation |
---|---|
bin | 111001111110… |
… | …1001000000010 |
3 | 2010012022202020 |
4 | 1303331020002 |
5 | 30240200210 |
6 | 3003302310 |
7 | 516240534 |
oct | 163751002 |
9 | 63168666 |
10 | 30396930 |
11 | 16181733 |
12 | a21a996 |
13 | 63b3865 |
14 | 4073854 |
15 | 2a06770 |
hex | 1cfd202 |
30396930 has 32 divisors (see below), whose sum is σ = 75470400. Its totient is φ = 7826112.
The previous prime is 30396929. The next prime is 30396953. The reversal of 30396930 is 3969303.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30396891 and 30396900.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16600 + ... + 18339.
It is an arithmetic number, because the mean of its divisors is an integer number (2358450).
Almost surely, 230396930 is an apocalyptic number.
30396930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30396930 is an abundant number, since it is smaller than the sum of its proper divisors (45073470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30396930 is a wasteful number, since it uses less digits than its factorization.
30396930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34978.
The product of its (nonzero) digits is 13122, while the sum is 33.
The square root of 30396930 is about 5513.3410922960. The cubic root of 30396930 is about 312.0876438524.
The spelling of 30396930 in words is "thirty million, three hundred ninety-six thousand, nine hundred thirty".
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