Base | Representation |
---|---|
bin | 111001111100… |
… | …1000111001000 |
3 | 2010011111012021 |
4 | 1303321013020 |
5 | 30234133423 |
6 | 3003054224 |
7 | 516141565 |
oct | 163710710 |
9 | 63144167 |
10 | 30380488 |
11 | 16170346 |
12 | a211374 |
13 | 63a9228 |
14 | 406b86c |
15 | 2a0195d |
hex | 1cf91c8 |
30380488 has 16 divisors (see below), whose sum is σ = 57280860. Its totient is φ = 15105600.
The previous prime is 30380461. The next prime is 30380503. The reversal of 30380488 is 88408303.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 27060804 + 3319684 = 5202^2 + 1822^2 .
It is a super-2 number, since 2×303804882 = 1845948102236288, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9043 + ... + 11938.
Almost surely, 230380488 is an apocalyptic number.
It is an amenable number.
30380488 is a deficient number, since it is larger than the sum of its proper divisors (26900372).
30380488 is a wasteful number, since it uses less digits than its factorization.
30380488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21168 (or 21164 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 30380488 is about 5511.8497802462. The cubic root of 30380488 is about 312.0313632728.
The spelling of 30380488 in words is "thirty million, three hundred eighty thousand, four hundred eighty-eight".
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