Base | Representation |
---|---|
bin | 111010001011… |
… | …1010101010101 |
3 | 2010101210000001 |
4 | 1310113111111 |
5 | 30302114102 |
6 | 3005451301 |
7 | 520165516 |
oct | 164272525 |
9 | 63353001 |
10 | 30504277 |
11 | 16245351 |
12 | a270b31 |
13 | 642068b |
14 | 40a0a0d |
15 | 2a28487 |
hex | 1d17555 |
30504277 has 4 divisors (see below), whose sum is σ = 30515616. Its totient is φ = 30492940.
The previous prime is 30504263. The next prime is 30504301. The reversal of 30504277 is 77240503.
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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 77240503 = 17 ⋅4543559.
It is a cyclic number.
It is not a de Polignac number, because 30504277 - 223 = 22115669 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 (30504247) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918 + ... + 7864.
It is an arithmetic number, because the mean of its divisors is an integer number (7628904).
Almost surely, 230504277 is an apocalyptic number.
It is an amenable number.
30504277 is a deficient number, since it is larger than the sum of its proper divisors (11339).
30504277 is an equidigital number, since it uses as much as digits as its factorization.
30504277 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11338.
The product of its (nonzero) digits is 5880, while the sum is 28.
The square root of 30504277 is about 5523.0677164054. The cubic root of 30504277 is about 312.4545922290.
The spelling of 30504277 in words is "thirty million, five hundred four thousand, two hundred seventy-seven".
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