Base | Representation |
---|---|
bin | 111001111111… |
… | …1110001011010 |
3 | 2010012212121201 |
4 | 1303333301122 |
5 | 30241022040 |
6 | 3003424414 |
7 | 516314251 |
oct | 163776132 |
9 | 63185551 |
10 | 30407770 |
11 | 16189898 |
12 | a22510a |
13 | 63b8783 |
14 | 4077798 |
15 | 2a09a9a |
hex | 1cffc5a |
30407770 has 8 divisors (see below), whose sum is σ = 54734004. Its totient is φ = 12163104.
The previous prime is 30407761. The next prime is 30407789. The reversal of 30407770 is 7770403.
It can be written as a sum of positive squares in 2 ways, for example, as 25030009 + 5377761 = 5003^2 + 2319^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520379 + ... + 1520398.
Almost surely, 230407770 is an apocalyptic number.
30407770 is a deficient number, since it is larger than the sum of its proper divisors (24326234).
30407770 is a wasteful number, since it uses less digits than its factorization.
30407770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3040784.
The product of its (nonzero) digits is 4116, while the sum is 28.
The square root of 30407770 is about 5514.3240746260. The cubic root of 30407770 is about 312.1247378176.
The spelling of 30407770 in words is "thirty million, four hundred seven thousand, seven hundred seventy".
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