Base | Representation |
---|---|
bin | 11101000100011… |
… | …010101101010110 |
3 | 1020222200120211200 |
4 | 131010122231112 |
5 | 1444322302423 |
6 | 120221013330 |
7 | 15041233560 |
oct | 3504325526 |
9 | 1228616750 |
10 | 487697238 |
11 | 230324176 |
12 | 1173b4246 |
13 | 7a068362 |
14 | 48ab2330 |
15 | 2cc37d43 |
hex | 1d11ab56 |
487697238 has 24 divisors (see below), whose sum is σ = 1207631568. Its totient is φ = 139342032.
The previous prime is 487697237. The next prime is 487697251. The reversal of 487697238 is 832796784.
487697238 is a `hidden beast` number, since 487 + 69 + 72 + 38 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487697237) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1935181 + ... + 1935432.
It is an arithmetic number, because the mean of its divisors is an integer number (50317982).
Almost surely, 2487697238 is an apocalyptic number.
487697238 is an abundant number, since it is smaller than the sum of its proper divisors (719934330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487697238 is a wasteful number, since it uses less digits than its factorization.
487697238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3870628 (or 3870625 counting only the distinct ones).
The product of its digits is 4064256, while the sum is 54.
The square root of 487697238 is about 22083.8682752818. The cubic root of 487697238 is about 787.1365857571.
The spelling of 487697238 in words is "four hundred eighty-seven million, six hundred ninety-seven thousand, two hundred thirty-eight".
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