Base | Representation |
---|---|
bin | 10010010010001… |
… | …000000011101101 |
3 | 210101012002012202 |
4 | 102102020003231 |
5 | 1112011211420 |
6 | 50234311245 |
7 | 10413155021 |
oct | 2222100355 |
9 | 711162182 |
10 | 306741485 |
11 | 148169466 |
12 | 86888525 |
13 | 4b71b44b |
14 | 2ca4a381 |
15 | 1bde1575 |
hex | 124880ed |
306741485 has 4 divisors (see below), whose sum is σ = 368089788. Its totient is φ = 245393184.
The previous prime is 306741469. The next prime is 306741503. The reversal of 306741485 is 584147603.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584147603 = 13 ⋅44934431.
It can be written as a sum of positive squares in 2 ways, for example, as 125731369 + 181010116 = 11213^2 + 13454^2 .
It is a cyclic number.
It is not a de Polignac number, because 306741485 - 24 = 306741469 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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, 30674144 + ... + 30674153.
It is an arithmetic number, because the mean of its divisors is an integer number (92022447).
Almost surely, 2306741485 is an apocalyptic number.
It is an amenable number.
306741485 is a deficient number, since it is larger than the sum of its proper divisors (61348303).
306741485 is an equidigital number, since it uses as much as digits as its factorization.
306741485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61348302.
The product of its (nonzero) digits is 80640, while the sum is 38.
The square root of 306741485 is about 17514.0367990935. The cubic root of 306741485 is about 674.4102649735.
The spelling of 306741485 in words is "three hundred six million, seven hundred forty-one thousand, four hundred eighty-five".
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