Base | Representation |
---|---|
bin | 11101000011101… |
… | …000100111101001 |
3 | 1020222022011101222 |
4 | 131003220213221 |
5 | 1444244221243 |
6 | 120212351425 |
7 | 15036420455 |
oct | 3503504751 |
9 | 1228264358 |
10 | 487492073 |
11 | 2301a4012 |
12 | 117315575 |
13 | 79cc5b63 |
14 | 48a5b665 |
15 | 2cbe7168 |
hex | 1d0e89e9 |
487492073 has 4 divisors (see below), whose sum is σ = 487547220. Its totient is φ = 487436928.
The previous prime is 487492069. The next prime is 487492097. The reversal of 487492073 is 370294784.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 151979584 + 335512489 = 12328^2 + 18317^2 .
It is a cyclic number.
It is not a de Polignac number, because 487492073 - 22 = 487492069 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (487492013) 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, 10988 + ... + 33101.
It is an arithmetic number, because the mean of its divisors is an integer number (121886805).
Almost surely, 2487492073 is an apocalyptic number.
It is an amenable number.
487492073 is a deficient number, since it is larger than the sum of its proper divisors (55147).
487492073 is a wasteful number, since it uses less digits than its factorization.
487492073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55146.
The product of its (nonzero) digits is 338688, while the sum is 44.
The square root of 487492073 is about 22079.2226538889. Note that the first 3 decimals coincide. The cubic root of 487492073 is about 787.0261924530.
The spelling of 487492073 in words is "four hundred eighty-seven million, four hundred ninety-two thousand, seventy-three".
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