Base | Representation |
---|---|
bin | 111010101111101 |
3 | 1112020222 |
4 | 13111331 |
5 | 1430302 |
6 | 351125 |
7 | 153455 |
oct | 72575 |
9 | 45228 |
10 | 30077 |
11 | 20663 |
12 | 154a5 |
13 | 108c8 |
14 | ad65 |
15 | 8da2 |
hex | 757d |
30077 has 4 divisors (see below), whose sum is σ = 31680. Its totient is φ = 28476.
The previous prime is 30071. The next prime is 30089. The reversal of 30077 is 77003.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30077 - 26 = 30013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773 + ... + 810.
It is an arithmetic number, because the mean of its divisors is an integer number (7920).
230077 is an apocalyptic number.
It is an amenable number.
30077 is a deficient number, since it is larger than the sum of its proper divisors (1603).
30077 is a wasteful number, since it uses less digits than its factorization.
30077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1602.
The product of its (nonzero) digits is 147, while the sum is 17.
The square root of 30077 is about 173.4272181637. The cubic root of 30077 is about 31.0988864481.
The spelling of 30077 in words is "thirty thousand, seventy-seven".
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